T Test 2014 2015 Edited Short.xls
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Afghani 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Mean=
Pretest Score Baht 3 1 0 2 3 3 3 4 4 5 2 6 4 7 3 8 2 9 4 10 0 11 3 12 2 13 3 14 0 15 0 16 0 17 1 18 2 19 2 20 0 21 0 22 0 23 1 24 0 25 0 26 3 27 0 28 1 29 0 30 1 31 0 32 3 33 2 34 2 35 2 36 3 37 3 38 0 39 2 40 1 41 42 43 44 45 1.585366 Mean=
Score Afghani 0 32 2 12 0 7 2 39 2 5 2 16 1 11 0 3 2 36 2 37 2 30 2 13 3 9 2 15 2 6 2 26 2 41 2 31 0 42 2 2 1 14 2 38 1 24 2 27 0 45 0 44 1 8 0 28 0 25 2 4 0 17 2 34 1 35 2 23 0 40 2 33 0 43 0 10 2 22 2 1 1 19 2 18 2 20 2 21 2 29 1.355556 Mean=
Afghani In 187 150 143 137 135 131 129 128 128 125 124 123 121 120 119 118 118 116 116 115 115 115 114 114 114 113 112 112 111 109 108 108 108 105 104 101 101 100 100 98 98
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Baht Mean=
110 133 117 111 103 111 116 103 123 108 122
105 110 110 105 108 119 99 110 119 117 125 119 112 107 121 115 110 120 110 104 111 115 113 96 105 Baht Interest
Afghani 3 5 6 7 10 11 12 13 14 22 23 28 30 31 33 36 38 40 41 43 26 37 44 8 17 2 9 15 18 24 1 20 32 21 42 4 16 27 29 34 35 39 19 25 Posttest
INTEREST Baht 128 2 135 3 119 5 143 6 110 7 129 8 150 11 123 13 115 14 120 15 105 17 112 20 124 22 116 23 101 24 128 26 115 28 104 30 118 36 101 41
INTEREST 96 104 105 107 110 133 103 116 103 123 122 105 110 105 108 99 119 125 115 111
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Afghani 7 13 3 6 40 36 14 31 22 12 33 38 41 5 11 23 28 30 43 10 26 37 44 8 17 2 9 15 18 24 1 20 32 21 42 4 16 27 29 34 35 39 19 25 Posttest
PRETEST 4 2 3 2 2 2 3 1 0 3 3 3 1 4 0 0 0 0 4 0 3 3 0 0 2 0 1 1 3 2 0 0 3 0 3 1 2 2 0 2 0
POST TEST Baht 14 2 14 3 13 5 13 6 13 7 12 8 11 11 11 13 10 14 9 15 9 17 9 20 8 22 7 23 7 24 7 26 6 28 6 30 6 36 5 41 5 4 5 10 5 16 4 18 4 19 3 32 3 34 3 40 3 1 3 9 2 12 2 25 2 37 1 39 1 42 0 21 0 27 0 29 0 31 0 33 0 35 0 38 43 44 45
PRETEST 2 0 2 2 1 0 2 3 2 2 2 2 2 1 2 0 0 2 2 1 2 2 2 2 0 2 2 2 0 2 2 0 0 2 2 1 1 0 0 1 0 0 2 2 2
POST TEST 9 7 8 7 5 8 7 12 5 6 11 7 4 3 4 3 4 4 4 8 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
PRETEST AFGHANI NAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
BOYS Abular,Andrei Rowell O. Almacin,Nino Cezar M. Almadrones,Jayson G. Almadrones,Yonesto A. Almazan,Sonny M. Amaro,Marion Lloyd Francia,Francis Glipo,John Robert Ginto,Christoper M. Gaitera,Fernando G. Mabeza,Arvin Lopez,Matthew G. Lopez,Patrick Brian Narido,Nolan H. Pamesa,Harvey Rafael,John Carl Y. GIRLS Abrina,Roma P. Almoneda,Wency Baldorado,Karla S. Baylon,Ma. Cristina P. Cambronero,Mary Joy Cayrel,Jenilyn C. Fracisco,Francia A. Ilan,Jeany-Ann Jimenez,Erna Luna,Mary Rose Odi, Loida Ojeda,Odessa Pajarillo,Mary Joy G. Pandeagua,Fatima Pestanas,Marjean V. Rafer,Regine C. Ramos,Jolly Rey,Mia Princess S. Rieza,Jayralyn Rodis,Lyra Mae Roldan,Karen M.
SCORE 3 0 3 3 4 2 4 3 2 4 0 3 2 3 0 0 0
1 2 2 0 0 0 1 0 0 3 0 1 0 1 0 3 2 2 2 3 3 0
23 Verzo,Mary Anne 24 Villafuerte,Ma.Carmina AVERAGE
2 1 1.585366
PRETEST BAHT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
NAME BOYS Bacani,Jonathan J. Bobis,Valdwin C. Borja,Mark Anthony V. Cayetano,John Wendell D. Evia,Ar-Jhay S. Galasi,Joshua S. Galero,Arjay Ilan,Marvin Leron,Spencer Boyd P. Monterozo,Joynie P. Paderon,Monico Jose A. Pamesa,Mark John Rada,Aeryel Neil Sale,Paul Dominic Sena,Neil Kevin Vale,Marvin L. Yasis,John Paul
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
GIRLS Abante,Jessel Aceron,Noemi Almacin,Jessa Balane,Jane Balce,Sheyl Ann Balidoy,Cindy Basilio,Jonah Glysa Bendana,Judie Ann Bendana,Julie Ann de Mesa,Geraldine de Velez,Donna Elep,Vivian Guinto,Maria Kristela L. Hernal,Krisa Alysa Hernandez,Reynalyn Ibusag,Cherry May Mancenido,Ma.Angelica Mariano,Maria Faye Nagera,Arrabel Payra,Joan Vecino,Maria Vanessa Rodriguez,Ma.Karen
SCORE 0 2 0 2 2 2 1 0 2 2 2 2 3 2 2 2 2
2 0 2 1 2 1 2 0 0 1 0 0 2 0 2 1 2 0 2 0 0 2
23 24 25 26 27 28
Sanchez,Kathleen Sena,Jane Moriel Sergio,Mary-Ann Suterio,Ailyn Taniela,Jennifer Zenarosa,Eden AVERAGE
2 1 2 2 2 2 1.355556
achievement experimental group PRETEST 1 E1 8 2 E2 7 3 E3 8 4 E4 6 5 E5 7 6 E6 5 7 E7 3 8 E8 4 9 E9 5 10 E10 10 11 E11 3 12 E12 7 13 E13 13 14 E14 9 15 E15 6 16 E16 3 17 E17 4 18 E18 5 19 E19 6 20 E20 7 total 126 n₁ 20 mean posttest 6.30
experiment 916 control 2439 t calc t tab
-4.25 8.819737
793.80 2226.05
0.10
x^2 64 49 64 36 49 25 9 16 25 100 9 49 169 81 36 9 16 25 36 49 916
control gr PRETEST C1 12 C2 12 C3 8 C4 3 C5 17 C6 5 C7 10 C8 13 C9 16 C10 11 C11 8 C12 11 C13 13 C14 9 C15 8 C16 13 C17 12 C18 9 C19 12 C20 9 total 211 n₁ 20 mean posttest 10.55
122.20 212.95
0.881974 0.939135 -4.525443 2.244
x^2 144 144 64 9 289 25 100 169 256 121 64 121 169 81 64 169 144 81 144 81 2439
THE EFFECTIVENESS OF ICT-MEDIATED NATIONAL ACHIEVEMENT TEST REVIEWER IN MATHEMATICS IN INCREASING THE ACHIEVEMENT LEVEL OF STUDENTS
SCORES IN THE POSTTEST EXPERIMENTAL GROUP student code E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 Σ₁ n₁ mean₁ SD
experimental control
t calc =
Σx^2 24078.00 16480.00
6.40 25.2842105
posttest score (x₁) 31 36 32 32 35 36 37 34 36 40 34 41 40 31 29 33 41 31 31 30 690 20 34.50 3.79
(x₁)² 961 1296 1024 1024 1225 1296 1369 1156 1296 1600 1156 1681 1600 961 841 1089 1681 961 961 900 24078
CONTROL GROUP student posttest code score (x₂) C1 23 C2 31 C3 19 C4 23 C5 27 C6 31 C7 27 C8 38 C9 41 C10 23 C11 26 C12 25 C13 35 C14 25 C15 19 C16 29 C17 33 C18 24 C19 28 C20 35 Σ₂ 562 20 n₂ mean₂ 28.10 SD 6.02
529 961 361 529 729 961 729 1444 1681 529 676 625 1225 625 361 841 1089 576 784 1225 16480
(Σx) 〖 ^2 〗 difference 23805.00 273.00 15792.20 687.80
0.10
2.52842105 1.590101
t tab
Group Experimental Control
(x₂)²
4.0249 2.244
Mean 34.50 28.10
SD 3.79 6.02
t calc
t tab
interpretation
4.025
2.244
Significant
⨱
SCORES IN THE POSTTEST EXPERIMENTAL GROUP posttest student code score (x₁) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
3 5 6 7 10 11 12 13 14 22 23 28 30 31 33 36 38 40 41 43 Σ₁ n₁ mean₁ SD
experiment 290366.00 control 247929.00 t calc t tab
8.85 133.05657895
128 135 119 143 110 129 150 123 115 120 105 112 124 116 101 128 115 104 118 101 2396 20 119.80 13.23
CONTROL GROUP
(x₁)²
student code
posttest score (x₂)
(x₂)²
16384 18225 14161 20449 12100 16641 22500 15129 13225 14400 11025 12544 15376 13456 10201 16384 13225 10816 13924 10201 290366
2 3 5 6 7 8 11 13 14 15 17 20 22 23 24 26 28 30 36 41 Σ₂ n₂ mean₂ SD
96 104 105 107 110 133 103 116 103 123 122 105 110 105 108 99 119 125 115 111 2219 20 110.95 9.54
9216 10816 11025 11449 12100 17689 10609 13456 10609 15129 14884 11025 12100 11025 11664 9801 14161 15625 13225 12321 247929
287040.8 3325.2 246198.1 1730.95
0.1
13.30566 3.647692 2.426192 2.244
Group Experimental Control
Mean 119.80 110.95
SD 13.23 9.54
t calc
t tab
interpretation
2.426
2.244
Significant
EFFECTIVENESS OF THE VINZONS L.G.U. – SPONSORED INTENSIFIED N.A.T. REVIEW PROGRAM IN MATH IN INCREASING THE READINESS LEVEL OF THE UNDERACHIEVING V.P.H.S. STUDENTS
Paired t Test student code
posttest pretest score (x₂) score (x₁)
(x₂ - x₁)
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30
15 16 18 18 20 21 16 10 12 14 9 15 21 21 19 18 19 23 18 18 28 23 25 22 21 19 17 18 27
9 11 8 2 2 12 9 2 11 7 9 5 7 5 5 6 7 10 8 9 6 4 8 9 10 9 9 5 7
21
4
6 5 10 16 18 9 7 8 1 7 0 10 14 16 14 12 12 13 10 9 22 19 17 13 11 10 8 13 20 17
mean MPL
18.73 47%
7.17 18%
11.57 29%
standard error = sd =
5.26 = √30 5.48 t calc = mean of differences = standard error
sd = 0.96 11.57 = 0.96
5.26
12.037
PAIRED t TEST Mean Difference
sd
t calc
t tab
Interpretation
11.57
5.26
12.037
1.699
SIGNIFICANT
df = 30 - 1 = 29 ; α = 0.05
Pretest Score Baht 3 1 0 2 3 3 3 4 4 5 2 6 4 7 3 8 2 9 4 10 0 11 3 12 2 13 3 14 0 15 0 16 0 17 1 18 2 19 2 20 0 21 0 22 0 23 1 24 0 25 0 26 3 27 0 28 1 29 0 30 1 31 0 32 3 33 2 34 2 35 2 36 3 37 3 38 0 39 2 40 1 41 42 43 44 45 1.585366 Mean=
Score Afghani 0 32 2 12 0 7 2 39 2 5 2 16 1 11 0 3 2 36 2 37 2 30 2 13 3 9 2 15 2 6 2 26 2 41 2 31 0 42 2 2 1 14 2 38 1 24 2 27 0 45 0 44 1 8 0 28 0 25 2 4 0 17 2 34 1 35 2 23 0 40 2 33 0 43 0 10 2 22 2 1 1 19 2 18 2 20 2 21 2 29 1.355556 Mean=
Afghani In 187 150 143 137 135 131 129 128 128 125 124 123 121 120 119 118 118 116 116 115 115 115 114 114 114 113 112 112 111 109 108 108 108 105 104 101 101 100 100 98 98
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Baht Mean=
110 133 117 111 103 111 116 103 123 108 122
105 110 110 105 108 119 99 110 119 117 125 119 112 107 121 115 110 120 110 104 111 115 113 96 105 Baht Interest
Afghani 3 5 6 7 10 11 12 13 14 22 23 28 30 31 33 36 38 40 41 43 26 37 44 8 17 2 9 15 18 24 1 20 32 21 42 4 16 27 29 34 35 39 19 25 Posttest
INTEREST Baht 128 2 135 3 119 5 143 6 110 7 129 8 150 11 123 13 115 14 120 15 105 17 112 20 124 22 116 23 101 24 128 26 115 28 104 30 118 36 101 41
INTEREST 96 104 105 107 110 133 103 116 103 123 122 105 110 105 108 99 119 125 115 111
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Afghani 7 13 3 6 40 36 14 31 22 12 33 38 41 5 11 23 28 30 43 10 26 37 44 8 17 2 9 15 18 24 1 20 32 21 42 4 16 27 29 34 35 39 19 25 Posttest
PRETEST 4 2 3 2 2 2 3 1 0 3 3 3 1 4 0 0 0 0 4 0 3 3 0 0 2 0 1 1 3 2 0 0 3 0 3 1 2 2 0 2 0
POST TEST Baht 14 2 14 3 13 5 13 6 13 7 12 8 11 11 11 13 10 14 9 15 9 17 9 20 8 22 7 23 7 24 7 26 6 28 6 30 6 36 5 41 5 4 5 10 5 16 4 18 4 19 3 32 3 34 3 40 3 1 3 9 2 12 2 25 2 37 1 39 1 42 0 21 0 27 0 29 0 31 0 33 0 35 0 38 43 44 45
PRETEST 2 0 2 2 1 0 2 3 2 2 2 2 2 1 2 0 0 2 2 1 2 2 2 2 0 2 2 2 0 2 2 0 0 2 2 1 1 0 0 1 0 0 2 2 2
POST TEST 9 7 8 7 5 8 7 12 5 6 11 7 4 3 4 3 4 4 4 8 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
PRETEST AFGHANI NAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
BOYS Abular,Andrei Rowell O. Almacin,Nino Cezar M. Almadrones,Jayson G. Almadrones,Yonesto A. Almazan,Sonny M. Amaro,Marion Lloyd Francia,Francis Glipo,John Robert Ginto,Christoper M. Gaitera,Fernando G. Mabeza,Arvin Lopez,Matthew G. Lopez,Patrick Brian Narido,Nolan H. Pamesa,Harvey Rafael,John Carl Y. GIRLS Abrina,Roma P. Almoneda,Wency Baldorado,Karla S. Baylon,Ma. Cristina P. Cambronero,Mary Joy Cayrel,Jenilyn C. Fracisco,Francia A. Ilan,Jeany-Ann Jimenez,Erna Luna,Mary Rose Odi, Loida Ojeda,Odessa Pajarillo,Mary Joy G. Pandeagua,Fatima Pestanas,Marjean V. Rafer,Regine C. Ramos,Jolly Rey,Mia Princess S. Rieza,Jayralyn Rodis,Lyra Mae Roldan,Karen M.
SCORE 3 0 3 3 4 2 4 3 2 4 0 3 2 3 0 0 0
1 2 2 0 0 0 1 0 0 3 0 1 0 1 0 3 2 2 2 3 3 0
23 Verzo,Mary Anne 24 Villafuerte,Ma.Carmina AVERAGE
2 1 1.585366
PRETEST BAHT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
NAME BOYS Bacani,Jonathan J. Bobis,Valdwin C. Borja,Mark Anthony V. Cayetano,John Wendell D. Evia,Ar-Jhay S. Galasi,Joshua S. Galero,Arjay Ilan,Marvin Leron,Spencer Boyd P. Monterozo,Joynie P. Paderon,Monico Jose A. Pamesa,Mark John Rada,Aeryel Neil Sale,Paul Dominic Sena,Neil Kevin Vale,Marvin L. Yasis,John Paul
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
GIRLS Abante,Jessel Aceron,Noemi Almacin,Jessa Balane,Jane Balce,Sheyl Ann Balidoy,Cindy Basilio,Jonah Glysa Bendana,Judie Ann Bendana,Julie Ann de Mesa,Geraldine de Velez,Donna Elep,Vivian Guinto,Maria Kristela L. Hernal,Krisa Alysa Hernandez,Reynalyn Ibusag,Cherry May Mancenido,Ma.Angelica Mariano,Maria Faye Nagera,Arrabel Payra,Joan Vecino,Maria Vanessa Rodriguez,Ma.Karen
SCORE 0 2 0 2 2 2 1 0 2 2 2 2 3 2 2 2 2
2 0 2 1 2 1 2 0 0 1 0 0 2 0 2 1 2 0 2 0 0 2
23 24 25 26 27 28
Sanchez,Kathleen Sena,Jane Moriel Sergio,Mary-Ann Suterio,Ailyn Taniela,Jennifer Zenarosa,Eden AVERAGE
2 1 2 2 2 2 1.355556
achievement experimental group PRETEST 1 E1 8 2 E2 7 3 E3 8 4 E4 6 5 E5 7 6 E6 5 7 E7 3 8 E8 4 9 E9 5 10 E10 10 11 E11 3 12 E12 7 13 E13 13 14 E14 9 15 E15 6 16 E16 3 17 E17 4 18 E18 5 19 E19 6 20 E20 7 total 126 n₁ 20 mean posttest 6.30
experiment 916 control 2439 t calc t tab
-4.25 8.819737
793.80 2226.05
0.10
x^2 64 49 64 36 49 25 9 16 25 100 9 49 169 81 36 9 16 25 36 49 916
control gr PRETEST C1 12 C2 12 C3 8 C4 3 C5 17 C6 5 C7 10 C8 13 C9 16 C10 11 C11 8 C12 11 C13 13 C14 9 C15 8 C16 13 C17 12 C18 9 C19 12 C20 9 total 211 n₁ 20 mean posttest 10.55
122.20 212.95
0.881974 0.939135 -4.525443 2.244
x^2 144 144 64 9 289 25 100 169 256 121 64 121 169 81 64 169 144 81 144 81 2439
THE EFFECTIVENESS OF ICT-MEDIATED NATIONAL ACHIEVEMENT TEST REVIEWER IN MATHEMATICS IN INCREASING THE ACHIEVEMENT LEVEL OF STUDENTS
SCORES IN THE POSTTEST EXPERIMENTAL GROUP student code E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 E15 E16 E17 E18 E19 E20 Σ₁ n₁ mean₁ SD
experimental control
t calc =
Σx^2 24078.00 16480.00
6.40 25.2842105
posttest score (x₁) 31 36 32 32 35 36 37 34 36 40 34 41 40 31 29 33 41 31 31 30 690 20 34.50 3.79
(x₁)² 961 1296 1024 1024 1225 1296 1369 1156 1296 1600 1156 1681 1600 961 841 1089 1681 961 961 900 24078
CONTROL GROUP student posttest code score (x₂) C1 23 C2 31 C3 19 C4 23 C5 27 C6 31 C7 27 C8 38 C9 41 C10 23 C11 26 C12 25 C13 35 C14 25 C15 19 C16 29 C17 33 C18 24 C19 28 C20 35 Σ₂ 562 20 n₂ mean₂ 28.10 SD 6.02
529 961 361 529 729 961 729 1444 1681 529 676 625 1225 625 361 841 1089 576 784 1225 16480
(Σx) 〖 ^2 〗 difference 23805.00 273.00 15792.20 687.80
0.10
2.52842105 1.590101
t tab
Group Experimental Control
(x₂)²
4.0249 2.244
Mean 34.50 28.10
SD 3.79 6.02
t calc
t tab
interpretation
4.025
2.244
Significant
⨱
SCORES IN THE POSTTEST EXPERIMENTAL GROUP posttest student code score (x₁) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
3 5 6 7 10 11 12 13 14 22 23 28 30 31 33 36 38 40 41 43 Σ₁ n₁ mean₁ SD
experiment 290366.00 control 247929.00 t calc t tab
8.85 133.05657895
128 135 119 143 110 129 150 123 115 120 105 112 124 116 101 128 115 104 118 101 2396 20 119.80 13.23
CONTROL GROUP
(x₁)²
student code
posttest score (x₂)
(x₂)²
16384 18225 14161 20449 12100 16641 22500 15129 13225 14400 11025 12544 15376 13456 10201 16384 13225 10816 13924 10201 290366
2 3 5 6 7 8 11 13 14 15 17 20 22 23 24 26 28 30 36 41 Σ₂ n₂ mean₂ SD
96 104 105 107 110 133 103 116 103 123 122 105 110 105 108 99 119 125 115 111 2219 20 110.95 9.54
9216 10816 11025 11449 12100 17689 10609 13456 10609 15129 14884 11025 12100 11025 11664 9801 14161 15625 13225 12321 247929
287040.8 3325.2 246198.1 1730.95
0.1
13.30566 3.647692 2.426192 2.244
Group Experimental Control
Mean 119.80 110.95
SD 13.23 9.54
t calc
t tab
interpretation
2.426
2.244
Significant
EFFECTIVENESS OF THE VINZONS L.G.U. – SPONSORED INTENSIFIED N.A.T. REVIEW PROGRAM IN MATH IN INCREASING THE READINESS LEVEL OF THE UNDERACHIEVING V.P.H.S. STUDENTS
Paired t Test student code
posttest pretest score (x₂) score (x₁)
(x₂ - x₁)
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30
15 16 18 18 20 21 16 10 12 14 9 15 21 21 19 18 19 23 18 18 28 23 25 22 21 19 17 18 27
9 11 8 2 2 12 9 2 11 7 9 5 7 5 5 6 7 10 8 9 6 4 8 9 10 9 9 5 7
21
4
6 5 10 16 18 9 7 8 1 7 0 10 14 16 14 12 12 13 10 9 22 19 17 13 11 10 8 13 20 17
mean MPL
18.73 47%
7.17 18%
11.57 29%
standard error = sd =
5.26 = √30 5.48 t calc = mean of differences = standard error
sd = 0.96 11.57 = 0.96
5.26
12.037
PAIRED t TEST Mean Difference
sd
t calc
t tab
Interpretation
11.57
5.26
12.037
1.699
SIGNIFICANT
df = 30 - 1 = 29 ; α = 0.05
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