In a one-way ANOVA with three levels, the resulting means were x̄1=25, x̄2=25, and x̄3=25. What would SST equal?

A) SSW B) SSB C) 0.0 D) Cannot determine from information given. A) SSW B) SSB C) 0.0 D) Cannot determine from information given.

Using the following ANOVA summary table, what is the sum of squares for total for these data? \(\begin{array}{|l|l|l|l|l|} \hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } \\ \hline \text { Between } & 270 & 9 & & \\ \hline \text { Within } & 5600 & 560 & & \\ \hline \text { Total } & & & & \\ \hline \end{array}\)

A) SST = SSB- SSW = 5330 B) SST = SSB + SSW = 5870 C) SST = grand x?2 - (?x?)2/N= 5670 D) Cannot determine from information given. A) SST = SSB- SSW = 5330 B) SST = SSB + SSW = 5870 C) SST = grand x?2 - (?x?)2/N= 5670 D) Cannot determine from information given.

Using the following one-way ANOVA summary table, what is the value of the F-ratio (D in the source table)? \(\begin{array}{|l|l|l|l|l|l|} \hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } & \text { P } \\ \hline \text { Between } & 200 & 4 & \text { B } & \text { D } & .01 \\ \hline \text { Within } & \text { A } & 80 & \text { C } & & \\ \hline \text { Total } & 1000 & & & & \\ \hline \end{array}\)

A) 1.5 B) 5.0 C) 10 D) 12 A) 1.5 B) 5.0 C) 10 D) 12

Using the following one-way ANOVA summary table, what is the total number of subjects in this study? \(\begin{array}{|l|l|l|l|l|l|} \hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } & \text { P } \\ \hline \text { Between } & 200 & 4 & \text { B } & \text { D } & .01 \\ \hline \text { Within } & \text { A } & 80 & \text { C } & & \\ \hline \text { Total } & 1000 & & & & \\ \hline \end{array}\)

A) 76 B) 80 C) 84 D) 85 A) 76 B) 80 C) 84 D) 85

Using the following ANOVA summary table, what F-ratio is obtained for these data, and is it significant at the .05 alpha level? \(\begin{array}{|l|l|l|l|l|} \hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } \\ \hline \text { Between } & 270 & 9 & & \\ \hline \text { Within } & 5600 & 560 & & \\ \hline \text { Total } & & & & \\ \hline \end{array}\)

A) 1.0, not significant B) 2.0, not significant C) 3.0, significant D) 4.0, significant A) 1.0, not significant B) 2.0, not significant C) 3.0, significant D) 4.0, significant

Exam 9: One-Way Between-Groups Anova

Using the following information from a one-way ANOVA, in the Student-Newman-Keuls procedure, what value would be multiplied by the appropriate q value? Group 1 mean = 45 n = 10 Group 2 mean = 40 n = 10 Group 3 mean = 35 n = 10 Group 4 mean = 30 n = 10 Group 5 mean = 25 n = 10 Source of Variation SS df MS F Between 2400 Within 9000

Free

(Multiple Choice)

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Question 1

Correct Answer:

Verified

C

Which of the following is an inferential statistic?

Free

(Multiple Choice)

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Question 2

Correct Answer:

Verified

B

Which of the following is a multiple comparison test?

Free

(Multiple Choice)

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Question 3

Correct Answer:

Verified

B

Consider the statistic F (1,75) = 5.5, p<0.05. What does (1,75) indicate?

(Multiple Choice)

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Question 4

An investigator determined the difference between two means to be statistically significant by using an ANOVA procedure. The F-ratio was 16. If the investigator had used a t-test procedure instead, what value would he have obtained for the t-ratio?

(Multiple Choice)

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Question 5

What happens to the F-ratio when there are significant differences between the means?

(Multiple Choice)

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Question 6

Which of the following is a contrast-based multiple comparison technique?

(Multiple Choice)

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Question 7

Using the following information from a between-groups one-way ANOVA, what is the F-ratio, and is it significant? (? = .05) Group 1 mean = 45 n = 10 Group 2 mean = 40 n = 10 Group 3 mean = 35 n = 10 Group 4 mean = 30 n = 10 Group 5 mean = 25 n = 10 Source of Variation SS df MS F Between 2400 Within 9000

(Multiple Choice)

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Question 8

In a one-way ANOVA with three levels, the resulting means were x̄₁=25, x̄₂=25, and x̄₃=25. What would SS_T equal?

(Multiple Choice)

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Question 9

The population means for each of four populations is 100, and the variance for each of the four populations is 16. The four ns for samples drawn from each population all equal 50. (When you answer the question, do not calculate-just think.) In a one-way ANOVA, what is the expected value of MS_B?

(Multiple Choice)

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Question 10

Using the following ANOVA summary table, what is the sum of squares for total for these data? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

(Multiple Choice)

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Question 11

Using the following one-way ANOVA summary table, what is the value of the F-ratio (D in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

(Multiple Choice)

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Question 12

Using the following one-way ANOVA summary table, what is the total number of subjects in this study? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

(Multiple Choice)

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Question 13

Which post hoc multiple comparison technique requires the largest effect size to indicate significance?

(Multiple Choice)

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Question 14

Using the following ANOVA summary table, what F-ratio is obtained for these data, and is it significant at the .05 alpha level? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

(Multiple Choice)

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Question 15

When would a multiple comparison procedure be required following a one-way ANOVA?

(Multiple Choice)

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Question 16

What element is usually manipulated by the researcher to achieve a specified amount of power in an ANOVA?

(Multiple Choice)

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Question 17

In a one-way ANOVA, the SS_B was 68 and the unexplained variance was 60% of the total variance. What is the SS_T?

(Multiple Choice)

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Question 18

Compared to Tukey, Scheffé is more or less conservative?

(Multiple Choice)

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Question 19

What conclusion is justified if an F-ratio of .93 is obtained in a one-way ANOVA?

(Multiple Choice)

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Question 20

Which of the following is an inferential statistic?

Which of the following is a multiple comparison test?

Consider the statistic F (1,75) = 5.5, p<0.05. What does (1,75) indicate?

An investigator determined the difference between two means to be statistically significant by using an ANOVA procedure. The F-ratio was 16. If the investigator had used a t-test procedure instead, what value would he have obtained for the t-ratio?

What happens to the F-ratio when there are significant differences between the means?

Which of the following is a contrast-based multiple comparison technique?

In a one-way ANOVA with three levels, the resulting means were x̄₁=25, x̄₂=25, and x̄₃=25. What would SS_T equal?

The population means for each of four populations is 100, and the variance for each of the four populations is 16. The four ns for samples drawn from each population all equal 50. (When you answer the question, do not calculate-just think.) In a one-way ANOVA, what is the expected value of MS_B?

Using the following ANOVA summary table, what is the sum of squares for total for these data? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

Using the following one-way ANOVA summary table, what is the value of the F-ratio (D in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the total number of subjects in this study? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Which post hoc multiple comparison technique requires the largest effect size to indicate significance?

Using the following ANOVA summary table, what F-ratio is obtained for these data, and is it significant at the .05 alpha level? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

When would a multiple comparison procedure be required following a one-way ANOVA?

What element is usually manipulated by the researcher to achieve a specified amount of power in an ANOVA?

In a one-way ANOVA, the SS_B was 68 and the unexplained variance was 60% of the total variance. What is the SS_T?

Compared to Tukey, Scheffé is more or less conservative?

What conclusion is justified if an F-ratio of .93 is obtained in a one-way ANOVA?

Research Methods

Introduction to Measurement and Statistics

Descriptive Statistics

The Normal Curve and Standard Scores

Correlation and Regression

Introduction to Inferential Statistics

Two-Sample T-Test

Issues in Inferential Statistics

One-Way Within-Groups Anova

Factorial Anova

Multivariate Anova Manova

Advanced Statistics

Nonparametric Statistics

Filters

Exam 9: One-Way Between-Groups Anova

Which of the following is an inferential statistic?

Which of the following is a multiple comparison test?

Consider the statistic F (1,75) = 5.5, p<0.05. What does (1,75) indicate?

An investigator determined the difference between two means to be statistically significant by using an ANOVA procedure. The F-ratio was 16. If the investigator had used a t-test procedure instead, what value would he have obtained for the t-ratio?

What happens to the F-ratio when there are significant differences between the means?

Which of the following is a contrast-based multiple comparison technique?

In a one-way ANOVA with three levels, the resulting means were x̄1=25, x̄2=25, and x̄3=25. What would SST equal?

The population means for each of four populations is 100, and the variance for each of the four populations is 16. The four ns for samples drawn from each population all equal 50. (When you answer the question, do not calculate-just think.) In a one-way ANOVA, what is the expected value of MSB?

Using the following ANOVA summary table, what is the sum of squares for total for these data? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

Using the following one-way ANOVA summary table, what is the value of the F-ratio (D in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the total number of subjects in this study? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Which post hoc multiple comparison technique requires the largest effect size to indicate significance?

Using the following ANOVA summary table, what F-ratio is obtained for these data, and is it significant at the .05 alpha level? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

When would a multiple comparison procedure be required following a one-way ANOVA?

What element is usually manipulated by the researcher to achieve a specified amount of power in an ANOVA?

In a one-way ANOVA, the SSB was 68 and the unexplained variance was 60% of the total variance. What is the SST?

Compared to Tukey, Scheffé is more or less conservative?

What conclusion is justified if an F-ratio of .93 is obtained in a one-way ANOVA?

Research Methods

Introduction to Measurement and Statistics

Descriptive Statistics

The Normal Curve and Standard Scores

Correlation and Regression

Introduction to Inferential Statistics

Two-Sample T-Test

Issues in Inferential Statistics

One-Way Within-Groups Anova

Factorial Anova

Multivariate Anova Manova

Advanced Statistics

Nonparametric Statistics

Filters

In a one-way ANOVA with three levels, the resulting means were x̄₁=25, x̄₂=25, and x̄₃=25. What would SS_T equal?

The population means for each of four populations is 100, and the variance for each of the four populations is 16. The four ns for samples drawn from each population all equal 50. (When you answer the question, do not calculate-just think.) In a one-way ANOVA, what is the expected value of MS_B?

In a one-way ANOVA, the SS_B was 68 and the unexplained variance was 60% of the total variance. What is the SS_T?