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Chapter 13: Q.15 (page 764)

What is the F statistic?

Short Answer

Expert verified

The Fstatistic islocalid="1649235687045" 3.74.

Step by step solution

01

Given Information

Groups of men from three different areas of the country are to be tested for mean weight.

Group 1 Group 2 Group 3
216202170
198213165
240284182
187228197
176210201
02

Explanation

To calculate value of F-statistic, use Ti-83 calculator. For this, click on STAT →press1→EDIT, then put the above given weights of different groups data into the list L1,L2and L3. The screenshot is given as below:

03

Explanation

Now again press STAT →arrow over the TESTS →arrow down to ANOVA →Press var then select1, press var then select 2, press var then select 3to fill the values of L1,L2andL3. The screenshot is given below:

04

Explanation

Press ENTER. The screenshot of the obtained output of the calculated value of F-statistic is given as below.

The value ofF-statistics is localid="1649235699261" 3.74.

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Most popular questions from this chapter

There are five basic assumptions that must be fulfilled in order to perform a one-way ANOVA test.

Write the final assumption.

Are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians? Suppose that Table 13.26 shows the results of a study.

White
Black
Hispanics
Asian
6478
8133
2555
4241
6
67

Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. Use a level of significance of 0.05.

Are the means for the final exams the same for all statistics class delivery types? Table 13.25 shows the scores on final exams from several randomly selected classes that used the different delivery types

Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. Use a level of significance of 0.05.

Four sports teams took a random sample of players regarding their GPAs for the last year. The results are shown in Table 13.8

BasketballBaseballHockeyLacrosse
3.62.14.02.0
2.92.62.03.6
2.53.92.63.9
3.33.13.22.7
3.83.43.22.5

Use a significance level of 5%, and determine if there is a difference in GPA among the teams .

State the null and alternative hypotheses.
See all solutions

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