For the following use the Spearman rank correlation coefficient to test the claim. Identify and state the null and alternate hypothesis, find the test statistic, decide whether to reject the null hypothesis, and form an analysis of your findings.
a. Overall scores and the prices for 10 randomly selected flat screen televisions. The score is based on overall quality of the television. At a .05 sig. can you conclude there is a correlation between price and score?
|
Score
|
91
|
94
|
99
|
89
|
86
|
81
|
72
|
85
|
94
|
98
|
86
|
|
Price (in dollars)
|
1250
|
1500
|
1495
|
1150
|
1195
|
1685
|
989
|
1175
|
1350
|
1425
|
1300
|