To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α = 0.01 .

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Answer 1

Question

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

b.

To determine

To find: The Cohen’s d.

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

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Answer 2

Question

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

b.

To determine

To find: The Cohen’s d.

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

Expert Solution & Answer

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Answer 3

Question

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

b.

To determine

To find: The Cohen’s d.

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

b.

To determine

To find: The Cohen’s d.

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

b.

To determine

To find: The Cohen’s d.

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

Answer 6

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

Answer 7

Chapter 9, Problem 23P

a.

To determine

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

Answer 8

b.

To determine

To find: The Cohen’s d.

Answer 9

b.

To determine

To find: The Cohen’s d.

Answer 10

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

Answer 11

c.

To determine

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

Answer 12

Expert Solution & Answer

Answer 13

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Answer 14

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Answer 15

Ch. 9.1 - Under what circumstances is a t statistic used...Ch. 9.1 - A sample of n = 9 scores has SS = 288. a. Compute...Ch. 9.1 - Prob. 3LC Ch. 9.1 - Prob. 4LC Ch. 9.1 - For df = 15, find the value(s) of t associated...Ch. 9.2 - A sample of n = 4 individuals is selected from a...Ch. 9.3 - If all other factors are held constant, an 80%...Ch. 9.3 - If all other factors are held constant, a...Ch. 9.3 - Prob. 1LCA Ch. 9.3 - How does sample size influence the outcome of a...

To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α = 0.01 .

Solution Summary: The author explains the two-tailed hypothesis test using alpha =0.01. The critical value (CV) is obtained from the t-table.

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To check: Whether the children with a history of preschool day-care are significantly different than that of general population using two-tailed test with α=0.01.

To find: The Cohen’s d.

To State: The outcome of hypothesis test and measure of effect size will appear in the research report.

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Chapter 9 Solutions