Raxit - Anova.xlsx

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Age Satisfaction Level

1<

>1

<5

>5

23

0

0

1

0

24

1

0

0

0

25

0

0

0

0

26

0

0

0

0

27

0

1

0

0

28

0

0

0

0

29

0

0

0

0

30

2

0

1

0

31

0

2

0

0

32

0

3

1

0

33

3

1

1

1

34

1

2

0

0

35

3

3

1

2

Average

0.23

0.23

0.08

0.15

Degrees of freedom Between Sample = Number of Columns (-) 1 and Within Samples = Number of items (-) Number of Columns

The above table shows that the calculated value of F is 1.61 which is lesser than the table value of 2.80 at 5% level with v1 = 3 and v2 = 48 and hence could have arisen due to chance. The analysis support the null hypothesis. A higher P-Value P = 0.20,(P ≥ 0.05) indicates strong evidence in favour of null hypothesis. So the null hypothesis is accepted

H0: There is no significant between Work Experience and Satisfaction level H1: There is significant between Work Experience and Satisfaction level

Anova: Single Factor Average 0.25

SUMMARY

0.25

Groups

Count

Sum Average

Variance

0.00

Column 1

13

10

0.77

1.36

0.00

Column 2

13

12

0.92

1.41

0.25

Column 3

13

5

0.38

0.26

0.00

Column 4

13

3

0.23

0.36

SS

df

MS

F 1.61

0.00 0.75 0.50 1.00

ANOVA Source of Variation

1.50

Between Groups

4.0769

3

1.36

0.75

Within Groups

40.6154

48

0.85

Total

44.6923

51

2.25 0.17

P-value F crit 0.20

2.80

Age Satisfaction Level

20-25

26-30

31-36

Average

23

0

0

1

0.33

24

1

0

0

0.33

25

0

0

0

0.00

26

0

0

0

0.00

27

1

0

0

0.33

28

0

0

0

0.00

29

0

0

0

0.00

30

2

1

0

1.00

31

0

2

0

0.67

32

3

1

0

1.33

33

3

1

2

2.00

34

3

0

0

1.00

35

3

5

1

3.00

Average

0.23

0.38

0.08

0.23

Degrees of freedom Between Sample = Number of Columns (-) 1 and Within Samples = Number of items (-) Number of Columns

The above table shows that the calculated value of F is 1.94 which is lesser than the table value of 3.26 at 5% level with v1 = 2 and v2 = 36 and hence could have arisen due to chance. The analysis support the null hypothesis. A higher P-Value P = 0.16,(P ≥ 0.05) indicates strong evidence in favour of null hypothesis. So the null hypothesis is accepted

H0: There is no significant between Age and Satisfaction level H1: There is significant between Age and Satisfaction level

Anova: Single Factor SUMMARY Groups

Count

Sum

Average

Variance

Column 1

13

16

1.23

1.86

Column 2

13

10

0.77

2.03

Column 3

13

4

0.31

0.40

ANOVA Source of Variation Between Groups

SS

df

MS

5.54

2

2.77

Within Groups

51.38

36

1.43

Total

56.92

38

F

P-value 1.94

0.16

F crit 3.26

Age Engagement Level

25

26

27

28

% Employees falling under each Engagement level 39

0

1

0

0

40

0

1

1

0

41

2

1

0

1

42

1

3

0

4

43

1

2

4

4

44

0

1

1

3

45

1

0

1

0

46

0

0

0

0

47

0

0

0

1

Sum

5.00

9.00

7.00

13.00

Average

0.56

1.00

0.78

1.44

: Calculation : Calculation of Sum of Squares of variance between samples i.e. Particulars

Mean Mean of Sample Mean Mean (-) Mean of Sample Means (Mean (-) Mean of Sample Means)2 n(Mean (-) Mean of Sample Means)2

2004

2005

0.56 0.96 -0.41 0.17 1.49

2006

1.00 0.96 0.04 0.00 0.01

0.78 0.96 -0.19 0.03 0.31

SS Between is equal to S(n(Mean (-) Mean of Sample Means)2) = Calculation of Variance or Mean Square between Sample =

Calculation of Variance or Mean Square Within Sample =

Source of Variation Between Sample

1.44 0.96 0.48 0.23 2.09 4.148

MS Between = k = Number of Columns = 6 (Number of Years) MS Within n= number of items in all sample observationss

SS 4.15

2007

ANOVA TABLE MS

d.f

(6-1) =

5

0.83

Within Sample

65.78

Total

69.93

(54-6) =

48

1.37

53

Degrees of freedom Between Sample = Number of Columns (-) 1 and Within Samples = Number of items (-) Number of

The above table shows that the calculated value of F is 0.61 which is lesser than the table value of 2.41 at 5% level with v 1 = 5 hence could have arisen due to chance. The analysis support the null hypothesis of no difference of sample means. A higher P-Value (P ≥ 0.05) indicates strong evidence in favour of null hypothesis. So the null hypothesis is accepted

Age 29

30

Average

2004

der each Engagement level

2005

2006

2007

Square of deviations of items taken from respective Means

0

0

0.17

0.31

0.00

0.60

2.09

0

0

0.33

0.31

0.00

0.05

2.09

0

1

0.83

2.09

0.00

0.60

0.20

2

0

1.67

0.20

4.00

0.60

6.53

3

0

2.33

0.20

1.00

10.38

6.53

1

2

1.33

0.31

0.00

0.05

2.42

1

2

0.83

0.20

1.00

0.05

2.09

1

1

0.33

0.31

1.00

0.60

2.09

2

2

0.83

0.31

1.00

0.60

0.20

4.22

8.00

13.56

24.22

10.00

8.00

8.67

1.11

0.89

0.96

Sum->

Sum total of Sum of Square of Deviations of items taken from respective Means

SS Within

65.78

Calculation :

of variance between samples i.e. SS Between 2008

1.11 0.96 0.15 0.02 0.20

2009

0.89 Mean of Sample Means 0.96 -0.07 0.01 0.05 SS Between =

=

0.96

4.15

n=9; Number of Schemes

MS Between = SS between/k-1 = ns = 6 (Number of Years)

=(4.15)/(6-1)

=

0.83

= SS Within/(n - k) = ms in all sample observationss

= (65.78)/(54-6)

=

1.37

ANOVA TABLE MS 0.83

F-Ratio (F Value)

0.83/1.37

5% F-Limit (From the F-Table)

0.61 F(5,48) =

2.41

1.37

= Number of items (-) Number of Columns

alue of 2.41 at 5% level with v 1 = 5 and v2 = 48 and

rence of sample means.

ull hypothesis is accepted

2008

2009

taken from respective Means 1.23

0.79

1.23

0.79

1.23

0.01

0.79

0.79

3.57

0.79

0.01

1.23

0.01

1.23

0.01

0.01

0.79

1.23

8.89

6.89

s taken from respective Means

5.78

You can use the F statistic when deciding to support or reject the null hypothesis. In your F test results, you’ll have both an F value and an F critical value. The F critical value is what is referred to as the F statistic. In general, if your F statistic in a test is smaller than your F value, you can reject the null hypothesis. However, the statistic is only one measure of significance in an F Test. You should also consider the p value. The p value is determined by the F statistic and is the probability your results could have happened by chance.

The p-value is a number between 0 and 1 and interpreted in the following way: A small p-

value (typically ≤ 0.05) indicates strong evidence against the null hypothesis, so you reject the null hypothesis.

SUMMARY Standard Deviation

Co efficient of Variation

Consistancy Ranking

0.53

0.73

130.77

V

1.00

1.00

1.00

100.00

II

7

0.78

1.69

1.30

167.36

VI

9

13

1.44

3.03

1.74

120.47

IV

29

9

10

1.11

1.11

1.05

94.87

I

30

9

8

0.89

0.86

0.93

104.40

III

Age

Count

Sum

Average Variance

25

9

5

0.56

26

9

9

27

9

28

Interpretation

Since the CV is the most, the employees of 27 years of age shows consistancy with their engagement level at the least.

Since the CV is least, the employees of 29 years of age shows consistancy with their engagement level at the most.

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