A researcher states the following hypotheses: H0: μTime 1 = μTime 2 and H1: μTime 1 ≠ μTime 2. Assuming she collects data from 30 people, what is the appropriate critical value (α = .05; two-tailed)?

A) 2.048 B) 2.045 C) 2.009 D) 2.000 A) 2.048 B) 2.045 C) 2.009 D) 2.000

Exam 9: Testing the Difference Between Two Means

A researcher comparing the means of two groups calculates the t-test for independent means and reports the following result: t(32) = -3.54, p <.01. This research study consisted of a TOTAL of ______ participants.

(Multiple Choice)

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Question 81

Which of the following would be the most informative way to report the results of a t-test?

(Multiple Choice)

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Question 82

In conducting the t-test for dependent means, if you , the participants two different scores .

(Multiple Choice)

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Question 83

A researcher asks 10 people to take sips out of two cups of soda (one with Coke and the other Pepsi) and rate the flavor of both sodas. In analyzing this data, how should the null hypothesis be stated?

(Multiple Choice)

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Question 84

In which of the following situations would you MOST likely use the t-test for independent means?

(Multiple Choice)

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Question 85

What is the value of X_D for the following set of five difference (D) scores: 3, -8, 6, -4, -2?

(Multiple Choice)

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Question 86

For a t-statistic = 2.99 with 20 degrees of freedom, what would be the appropriate statement about the significance level?

(Multiple Choice)

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Question 87

In conducting the t-test for independent means, if you , the two means significantly different from each other.

(Multiple Choice)

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Question 88

A college professor was interested in comparing the average starting salaries of Engineering and English majors. Which type of statistical analysis should she use to analyze this data?

(Multiple Choice)

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Question 89

The ______ of the difference help us determine the probability of obtaining a particular difference between sample means.

(Multiple Choice)

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Question 90

You when your statistic falls in the region of because this means __.

(Multiple Choice)

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Question 91

In testing the difference between two means, which of these is implied by the null hypothesis (H₀)?

(Multiple Choice)

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Question 92

In conducting the t-test for dependent means, if you , the means significantly different from each other.

(Multiple Choice)

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Question 93

A researcher states the following hypotheses: H₀: μTime 1 = μTime 2 and H₁: μTime 1 ≠ μTime 2. Assuming she collects data from 30 people, what is the appropriate critical value (α = .05; two-tailed)?

(Multiple Choice)

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Question 94

Holding all else constant, the larger the standard deviations, the the standard error of the difference and the the value of the t-statistic (t).

(Multiple Choice)

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Question 95

In testing the difference between two means, what is implied by the alternative hypothesis (H₁)?

(Multiple Choice)

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Question 96

If a researcher has developed a research design in which each participant appears in all levels or categories, this would be considered which type of research design?

(Multiple Choice)

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Question 97

A researcher asks 10 people to take a bite of two different cheese pizzas (Dominos and Round Table) and rate the flavor of both pizzas. In analyzing this data, how should the null hypothesis be stated?

(Multiple Choice)

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Question 98

For a group of 20 participants, how many degrees of freedom are there for a t-test for dependent means?

(Multiple Choice)

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Question 99

According to the textbook, what is the difference between the terms "nonsignificant" and "insignificant"?

(Multiple Choice)

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Question 100

Showing 81 - 100 of 132

A researcher comparing the means of two groups calculates the t-test for independent means and reports the following result: t(32) = -3.54, p <.01. This research study consisted of a TOTAL of ______ participants.

Which of the following would be the most informative way to report the results of a t-test?

In conducting the t-test for dependent means, if you , the participants two different scores .

A researcher asks 10 people to take sips out of two cups of soda (one with Coke and the other Pepsi) and rate the flavor of both sodas. In analyzing this data, how should the null hypothesis be stated?

In which of the following situations would you MOST likely use the t-test for independent means?

What is the value of X_D for the following set of five difference (D) scores: 3, -8, 6, -4, -2?

For a t-statistic = 2.99 with 20 degrees of freedom, what would be the appropriate statement about the significance level?

In conducting the t-test for independent means, if you , the two means significantly different from each other.

A college professor was interested in comparing the average starting salaries of Engineering and English majors. Which type of statistical analysis should she use to analyze this data?

The ______ of the difference help us determine the probability of obtaining a particular difference between sample means.

You when your statistic falls in the region of because this means __.

In testing the difference between two means, which of these is implied by the null hypothesis (H₀)?

In conducting the t-test for dependent means, if you , the means significantly different from each other.

A researcher states the following hypotheses: H₀: μTime 1 = μTime 2 and H₁: μTime 1 ≠ μTime 2. Assuming she collects data from 30 people, what is the appropriate critical value (α = .05; two-tailed)?

Holding all else constant, the larger the standard deviations, the the standard error of the difference and the the value of the t-statistic (t).

In testing the difference between two means, what is implied by the alternative hypothesis (H₁)?

If a researcher has developed a research design in which each participant appears in all levels or categories, this would be considered which type of research design?

A researcher asks 10 people to take a bite of two different cheese pizzas (Dominos and Round Table) and rate the flavor of both pizzas. In analyzing this data, how should the null hypothesis be stated?

For a group of 20 participants, how many degrees of freedom are there for a t-test for dependent means?

According to the textbook, what is the difference between the terms "nonsignificant" and "insignificant"?

Introduction to Statistics

Examining Data: Tables and Figures

Measures of Central Tendency

Measures of Variability

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Chi-Square

Filters

Exam 9: Testing the Difference Between Two Means

A researcher comparing the means of two groups calculates the t-test for independent means and reports the following result: t(32) = -3.54, p <.01. This research study consisted of a TOTAL of ______ participants.

Which of the following would be the most informative way to report the results of a t-test?

In conducting the t-test for dependent means, if you ______, the participants two different scores ______.

A researcher asks 10 people to take sips out of two cups of soda (one with Coke and the other Pepsi) and rate the flavor of both sodas. In analyzing this data, how should the null hypothesis be stated?

In which of the following situations would you MOST likely use the t-test for independent means?

What is the value of XD for the following set of five difference (D) scores: 3, -8, 6, -4, -2?

For a t-statistic = 2.99 with 20 degrees of freedom, what would be the appropriate statement about the significance level?

In conducting the t-test for independent means, if you ______, the two means ______ significantly different from each other.

A college professor was interested in comparing the average starting salaries of Engineering and English majors. Which type of statistical analysis should she use to analyze this data?

The ______ of the difference help us determine the probability of obtaining a particular difference between sample means.

You ______ when your statistic falls in the region of ______ because this means ______.

In testing the difference between two means, which of these is implied by the null hypothesis (H0)?

In conducting the t-test for dependent means, if you ______ , the means ______ significantly different from each other.

A researcher states the following hypotheses: H0: μTime 1 = μTime 2 and H1: μTime 1 ≠ μTime 2. Assuming she collects data from 30 people, what is the appropriate critical value (α = .05; two-tailed)?

Holding all else constant, the larger the standard deviations, the ______ the standard error of the difference and the ______ the value of the t-statistic (t).

In testing the difference between two means, what is implied by the alternative hypothesis (H1)?

If a researcher has developed a research design in which each participant appears in all levels or categories, this would be considered which type of research design?

A researcher asks 10 people to take a bite of two different cheese pizzas (Dominos and Round Table) and rate the flavor of both pizzas. In analyzing this data, how should the null hypothesis be stated?

For a group of 20 participants, how many degrees of freedom are there for a t-test for dependent means?

According to the textbook, what is the difference between the terms "nonsignificant" and "insignificant"?

Introduction to Statistics

Examining Data: Tables and Figures

Measures of Central Tendency

Measures of Variability

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Chi-Square

Filters

In conducting the t-test for dependent means, if you , the participants two different scores .

What is the value of X_D for the following set of five difference (D) scores: 3, -8, 6, -4, -2?

In conducting the t-test for independent means, if you , the two means significantly different from each other.

You when your statistic falls in the region of because this means __.

In testing the difference between two means, which of these is implied by the null hypothesis (H₀)?

In conducting the t-test for dependent means, if you , the means significantly different from each other.

A researcher states the following hypotheses: H₀: μTime 1 = μTime 2 and H₁: μTime 1 ≠ μTime 2. Assuming she collects data from 30 people, what is the appropriate critical value (α = .05; two-tailed)?

Holding all else constant, the larger the standard deviations, the the standard error of the difference and the the value of the t-statistic (t).

In testing the difference between two means, what is implied by the alternative hypothesis (H₁)?