i. Find the value of a t test for independent means. ii. Find the correlation coefficient . iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results. iv. Construct a scatter diagram . v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

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Answer 1

Question

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

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Answer 2

Question

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Expert Solution & Answer

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Answer 3

Question

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Expert Solution & Answer

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Answer 4

Question

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Expert Solution & Answer

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Answer 5

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 6

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 7

Chapter W4, Problem 15PP

a.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 8

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 9

b.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 10

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 11

c.

To determine

i. Find the value of a t test for independent means.

ii. Find the correlation coefficient.

iii. Find the t for significance of the correlation coefficient and note explicitly the similarity of results.

iv. Construct a scatter diagram.

v. Give the explanation of the relation of the spread of the means, and the spread of the scores around the means, to the t test result.

Answer 12

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Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. W4 - Prob. 1.1HD Ch. W4 - Prob. 1.2HD Ch. W4 - Prob. 1.3HD Ch. W4 - Prob. 1.4HD Ch. W4 - Prob. 1.5HD Ch. W4 - Prob. 1.6HD Ch. W4 - Prob. 1.7HD Ch. W4 - Prob. 2.1HD Ch. W4 - Prob. 2.2HD Ch. W4 - Prob. 2.3HD

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