(a) To write: The null and alternative hypothesis

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Answer 1

Question

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

To determine

(b)

To verify:

For the given p-value and justify it.

To determine

(c)

To calculate:

The value of chi-square statistics

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

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3. Explain why the following statements are not correct. a. "With my methodological approach, I can reduce the Type I error with the given sample information without changing the Type II error." b. "I have already decided how much of the Type I error I am going to allow. A bigger sample will not change either the Type I or Type II error." C. "I can reduce the Type II error by making it difficult to reject the null hypothesis." d. "By making it easy to reject the null hypothesis, I am reducing the Type I error."

Given the following sample data values: 7, 12, 15, 9, 15, 13, 12, 10, 18,12 Find the following: a) Σ x= b) x² = c) x = n d) Median = e) Midrange x = (Enter a whole number) (Enter a whole number) (use one decimal place accuracy) (use one decimal place accuracy) (use one decimal place accuracy) f) the range= g) the variance, s² (Enter a whole number) f) Standard Deviation, s = (use one decimal place accuracy) Use the formula s² ·Σx² -(x)² n(n-1) nΣ x²-(x)² 2 Use the formula s = n(n-1) (use one decimal place accuracy)

Table of hours of television watched per week: 11 15 24 34 36 22 20 30 12 32 24 36 42 36 42 26 37 39 48 35 26 29 27 81276 40 54 47 KARKE 31 35 42 75 35 46 36 42 65 28 54 65 28 23 28 23669 34 43 35 36 16 19 19 28212 Using the data above, construct a frequency table according the following classes: Number of Hours Frequency Relative Frequency 10-19 20-29 |30-39 40-49 50-59 60-69 70-79 80-89 From the frequency table above, find a) the lower class limits b) the upper class limits c) the class width d) the class boundaries Statistics 300 Frequency Tables and Pictures of Data, page 2 Using your frequency table, construct a frequency and a relative frequency histogram labeling both axes.

Answer 2

Question

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

To determine

(b)

To verify:

For the given p-value and justify it.

To determine

(c)

To calculate:

The value of chi-square statistics

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

To determine

(b)

To verify:

For the given p-value and justify it.

To determine

(c)

To calculate:

The value of chi-square statistics

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

To determine

(b)

To verify:

For the given p-value and justify it.

To determine

(c)

To calculate:

The value of chi-square statistics

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

To determine

(b)

To verify:

For the given p-value and justify it.

To determine

(c)

To calculate:

The value of chi-square statistics

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

Answer 6

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

Answer 7

Chapter 4, Problem 4.55E

To determine

(a)

To write:

The null and alternative hypothesis

Answer 8

To determine

(b)

To verify:

For the given p-value and justify it.

Answer 9

To determine

(b)

To verify:

For the given p-value and justify it.

Answer 10

To determine

(c)

To calculate:

The value of chi-square statistics

Answer 11

To determine

(c)

To calculate:

The value of chi-square statistics

Answer 12

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

Answer 13

To determine

(d)

To write:

A statement that interprets the p-value obtained in part b.

Answer 14

Expert Solution & Answer

Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 4 - Prob. 4.1E Ch. 4 - Prob. 4.2E Ch. 4 - Each fall, auditions for the band and orchestra...Ch. 4 - Prob. 4.4E Ch. 4 - For each pair of variables, indicate whether or...Ch. 4 - For each pair of variables, indicate whether or...Ch. 4 - Suppose a study on the relationship between gender...Ch. 4 - Prob. 4.8E Ch. 4 - Prob. 4.9E Ch. 4 - Do grumpy old men have a greater risk of having...

(a) To write: The null and alternative hypothesis

Solution Summary: The author concludes that the null and alternative hypothesis cannot be rejected since the p-value is greater than 0.05.

Concept explainers

Videos

(a)

To write:

The null and alternative hypothesis

(b)

To verify:

For the given p-value and justify it.

(c)

To calculate:

The value of chi-square statistics

(d)

To write:

A statement that interprets the p-value obtained in part b.

Want to see the full answer?

Chapter 4 Solutions

(a) To write: The null and alternative hypothesis

Solution Summary: The author concludes that the null and alternative hypothesis cannot be rejected since the p-value is greater than 0.05.

Concept explainers

Videos

(a) To write: The null and alternative hypothesis

(b) To verify: For the given p-value and justify it.

(c) To calculate: The value of chi-square statistics

(d) To write: A statement that interprets the p-value obtained in part b.

Want to see the full answer?

Chapter 4 Solutions

(a)

To write:

The null and alternative hypothesis

(b)

To verify:

For the given p-value and justify it.

(c)

To calculate:

The value of chi-square statistics

(d)

To write:

A statement that interprets the p-value obtained in part b.