44 39 48 51 44 51 (a) Verify that Ex = 439, Ey = 277, Ex² = 32393, Ey2 = 12899, Exy = 20404, and r= 0.787. Ex ΣΥ Ex2 Ey2 Exy (b) Use a 5% level of significance to test the claim that p > 0. (Round your answers to two decimal places.) critical e Conclusion O Reject the null hypothesis, there is sufficient evidence that p > 0. O Reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is sufficient evidence that p > 0. (c) Verify that S, * 3.2484, a = 9.472, b = 0.5015, and x= 73.167. Sel a b

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67
65
75
86
73
73
44 39
48 51
44
51
(a) Verify that Ex = 439, Ey = 277, Ex
= 32393, Ey? = 12899, Exy = 20404, and r= 0.787.
%3D
Σχ
Ey
Ex?
Exy
(b) Use a 5% level of significance to test the claim that p > 0. (Round your answers to two decimal places.)
critical t
Conclusion
O Reject the null hypothesis, there is sufficient evidence that p > 0.
O Reject the null hypothesis, there is insufficient evidence that p > 0.
O Fail to reject the null hypothesis, there is insufficient evidence that p > 0.
O Fail to reject the null hypothesis, there is sufficient evidence that p > 0.
(c) Verify that S, = 3.2484, a * 9.472, b = 0.5015, and x* 73.167.
(d) Find the predicted percentage ŷ of successful field goals for a player with x = 83% successful free throws. (Round your answer to two decimal places.)
(e) Find a 90% confidence interval for y when x = 83. (Round your answers to one decimal place.)
lower limit
upper limit
%
() Use a 5% level of significance to test the claim that ß > 0. (Round your answers to two decimal places.)
critical t
Conclusion
O Reject the null hypothesis, there is sufficient evidence that B > 0.
O Reject the null hypothesis, there is insufficient evidence that ß > 0.
O Fail to reject the null hypothesis, there is insufficient evidence that 6 > 0.
Transcribed Image Text:67 65 75 86 73 73 44 39 48 51 44 51 (a) Verify that Ex = 439, Ey = 277, Ex = 32393, Ey? = 12899, Exy = 20404, and r= 0.787. %3D Σχ Ey Ex? Exy (b) Use a 5% level of significance to test the claim that p > 0. (Round your answers to two decimal places.) critical t Conclusion O Reject the null hypothesis, there is sufficient evidence that p > 0. O Reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is insufficient evidence that p > 0. O Fail to reject the null hypothesis, there is sufficient evidence that p > 0. (c) Verify that S, = 3.2484, a * 9.472, b = 0.5015, and x* 73.167. (d) Find the predicted percentage ŷ of successful field goals for a player with x = 83% successful free throws. (Round your answer to two decimal places.) (e) Find a 90% confidence interval for y when x = 83. (Round your answers to one decimal place.) lower limit upper limit % () Use a 5% level of significance to test the claim that ß > 0. (Round your answers to two decimal places.) critical t Conclusion O Reject the null hypothesis, there is sufficient evidence that B > 0. O Reject the null hypothesis, there is insufficient evidence that ß > 0. O Fail to reject the null hypothesis, there is insufficient evidence that 6 > 0.
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