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Chapter 13: Q. 61 (page 768)

61. degrees of freedom - numerator: df(num)=

Short Answer

Expert verified

The degree of freedom in the numerator is 4.

Step by step solution

01

Given information

Evaluate the data of five teenagers in each region of the country to estimate the degree of freedom in the numerator:

Northeast
South
West
Central
East
16.3
16.9
16.2
16.2
17.1
16.1
16.5
16.5
16.6
17.2
16.4
16.4
16.6
16.5
16.6
16.5
16.2
16.1
16.4
16.8
02

Explanation

Using the calculator Ti-83for the degree of freedom in the numerator. So, click on STAT 鈫�press 1鈫�EDIT, then put the weights of different groups data into the listL1,L2,and L3. The screenshot is:

03

Explanation

Then, again press STAT 鈫�arrow over the TESTS 鈫�arrow down to ANOVA 鈫�Press var then select 1, press var then select 2, press var then select 3, press var then select 4and press var then select 5to fill the values ofL1,L2,L3,L4and L5. The screen shot is:

04

Explanation

Press ENTER. The screenshot of the obtained output of calculated the degree of freedom in the numerator is:

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