x
| 67 | 64 | 75 | 86 | 73 | 73 |
y
| 42 | 39 | 48 | 51 | 44 | 51 |
(a) Find Σx, Σy, Σx
2, Σy
2, Σxy, andr. (Roundr to three decimal places.)
(b) Use a 5% level of significance to test the claim that ? > 0. (Round your answers to two decimal places.)
Conclusion
Reject the null hypothesis, there is sufficient evidence that ? > 0.
Reject the null hypothesis, there is insufficient evidence that ? > 0.
Fail to reject the null hypothesis, there is insufficient evidence that ? > 0.
Fail to reject the null hypothesis, there is sufficient evidence that ? > 0.
(c) FindSe
,a,b, and x. (Round your answers to four decimal places.)
(d) Find the predicted percentage ŷ of successful field goals for a player withx
= 65% successful free throws. (Round your answer to two decimal places.)
(e) Find a 90% confidence interval for
y when
x = 65. (Round your answers to one decimal place.)
| lower limit | % |
| upper limit | % |
(f) Use a 5% level of significance to test the claim that ? > 0. (Round your answers to two decimal places.)
Conclusion
Reject the null hypothesis, there is sufficient evidence that ? > 0.
Reject the null hypothesis, there is insufficient evidence that ? > 0.
Fail to reject the null hypothesis, there is insufficient evidence that ? > 0.
Fail to reject the null hypothesis, there is sufficient evidence that ? > 0.