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.