Assignment 1.docx

Uploaded by: nishant
0
0

October 2019
PDF

Download

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA

Overview

Download & View Assignment 1.docx as PDF for free.

More details

Words: 123
Pages: 1

Preview
Full text

ASSIGNMENT -1 1. Compute the mean , var , sd , length of a variable assuming the values 3,5,5,8,9,1 and 2 INPUT x<-c(3,5,5,8,9,1,2) mean(x) var(x) sd(x) length(x)

OUTPUT > x<-c(3,5,5,8,9,1,2) > mean(x) [1] 4.714286 > var(x) [1] 8.904762 > sd(x) [1] 2.984085 > length(x) [1] 7

2. A random sample of 10 boys had the following I.Q’s :(70,120,110,101,88,83,95,98,107,100). Compute the mean, var , sd and length . INPUT

OUTPUT

x<-c(70,120,110,101,88,83,95,98,107,100) mean(x) var(x) sd(x) length(x)

> x<-c(70,120,110,101,88,83,95,98,107,100) > mean(x) [1] 97.2 > var(x) [1] 203.7333 > sd(x) [1] 14.27352 > length(x) [1] 10

3. Compute the summary of the below data 40,51,61,28,31,50,53,55,46,39,39,39 INPUT

OUTPUT

x<-c(40,51,61,28,31,50,53,55,46,39,39,39) summary(x)

> x<-c(40,51,61,28,31,50,53,55,46,39,39,39) > summary(x) Min. 1st Qu. Median Mean 3rd Qu. Max. 28.00 39.00 43.00 44.33 51.50 61.00