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Chapter 13: Q. 57 (page 767)

What is the FStatistic?

Short Answer

Expert verified

The F Statistic is 0.7414.

Step by step solution

01

Given information

The F-statistic state that an entire ratio of two variances. Larger values denote a perfect distribution. Variances calculate dispersion, or how outlying the data are spread from the mean.

02

Explanation

The value of F-Statistic is calculated by using Ti-83 calculator. The method is shown below:
Click on STAT →arrow over the TESTS →arrow down to 2-sample F-test →ENTER → arrow to the Stats and press
ENTER. It will be:

03

Explanation

Then, enter the values of Sx1=23.8,n1=35,Sx2=32.1, and n2=35then press ENTER. It will be:

04

Explanation

Then, select the hypothesis as H1:σ1<σ2and press ENTER. Then arrow down to calculate, press ENTER. Then it will be,

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Most popular questions from this chapter

Four basketball teams took a random sample of players regarding how high each player can jump (in inches).

Team 1 Team 2 Team 3 Team 4 Team 5
3632483841
4235504439
5138394640

What is the df(num)?

A video game developer is testing a new game on three different groups. Each group represents a different target market for the game. The developer collects scores from a random sample from each group. The results are shown in the Table.

Group AGroup BGroup C10115110110814910998160198107112186111126160

At the 10%significance level, are the scores among the different groups different?

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 .

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