To test: Whether r is significant at the 1% level of significance.

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Answer 1

Question

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

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Answer 2

Question

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

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Answer 3

Question

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

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Answer 4

Question

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

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Answer 5

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

Answer 6

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

Answer 7

Chapter 11.4, Problem 13P

(a)

To determine

To test: Whether r is significant at the 1% level of significance.

Answer 8

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

Answer 9

(b)

To determine

To test: Whether r is significant at the 1% level of significance.

Answer 10

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

Answer 11

(c)

To determine

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

Answer 12

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Answer 13

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Answer 14

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Answer 15

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To test: Whether r is significant at the 1% level of significance.

Solution Summary: The author concludes that the correlation coefficient between x and y is not zero at 1% level of significance.

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To test: Whether r is significant at the 1% level of significance.

To test: Whether r is significant at the 1% level of significance.

To explain: Whether it is appears that sample size plays an important role in determining the significance of a correlation coefficient.

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