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Hypothesis testing for difference between two means.

A month of sales data are collected on sales of different kinds of computer products Run the t-tests to determine:

A. Is there a difference in the total sales numbers for laptops versus desktops?

B. Is there a difference in the total sales numbers for components versus desktops?

 

laptops

desktops

Components

Mon

$7,602.17

$12,511.13

$12,105.76

Tues

$11,618.23

$8,037.58

$26,403.16

Wed

$15,422.85

$17,301.69

$17,552.92

Thur

$16,623.54

$14,168.30

$14,445.31

Fri

$7,344.27

$5,804.46

$18,260.22

Mon

$26,522.36

$15,371.15

$11,909.67

Tues

$11,414.74

$14,663.46

$28,504.13

Wed

$16,936.27

$10,843.66

$21,985.51

Thur

$16,333.44

$9,999.81

$13,342.22

Fri

$17,766.90

$14,845.21

$20,455.42

Mon

$15,845.07

$17,784.57

$11,672.22

Tues

$11,134.35

$11,930.70

$22,231.99

Wed

$16,029.22

$10,421.93

$22,686.15

Thur

$9,141.06

$14,769.15

$8,620.69

Fri

$10,687.02

$9,499.93

$25,757.44

Mon

$10,292.05

$13,627.55

$27,020.31

Tues

$17,817.07

$28,287.28

$21,916.69

Wed

$10,197.67

$12,944.52

$13,979.96

Thur

$8,659.64

$11,159.03

$10,714.26

Fri

$17,767.90

$10,421.83

$21,975.52

 

 

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920091

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