In: Statistics and Probability
Two computer stores recorded the number of computers sold in a week along with the sizes of their hard drives. At a = .05, test the claim that the distribution of hard drives and the store where the computers were bought are not related.
store one sold 13 20gb, 11 40gb, 11 80gb, 8 160gb.
store two sold 104 20gb, 33 40gb, 15 80 gb, 10 160gb
Hypothesis with claim
Draw Curve
Critical Value
Test Value
Decision
Summary
Hypothesis with claim: the distribution of hard drives and the store where the computers were bought are not related
Store 1 | Store 2 | Total | |
20GB | 13 | 104 | 117 |
40GB | 11 | 33 | 44 |
80GB | 11 | 15 | 26 |
160GB | 8 | 10 | 18 |
Total | 43 | 162 | 205 |