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Use the following data to determine if there is a significant difference between children at different school levels on how many hours per day, they actually wear their orthodontic appliances. Evaluate using a two-tailed test with . Primary School Junior High School High School 16 9 20 14 13 15 18 14 16   12 18

Use the following data to determine if there is a significant difference between children at different school levels on how many hours per day, they actually wear their orthodontic appliances. Evaluate using a two-tailed test with . Primary School Junior High School High School 16 9 20 14 13 15 18 14 16   12 18

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Use the following data to determine if there is a significant difference between children at different school levels on how many hours per day, they actually wear their orthodontic appliances. Evaluate using a two-tailed test with .

Primary School

Junior High School

High School

16

9

20

14

13

15

18

14

16

 

12

18
Expert Solution
Step 1

Hypothesis:

The null and alternative hypotheses are below;

H0: There is no diference between children at different school levels on actual hours of wearing their orthodontic appliances.H1:There is diference between children at different school levels on actual hours of wearing their orthodontic appliances.

Step-by-step procedure to obtain the ANOVA data using Excel is given below:

  • In Excel sheet, enter Primary school, Junior High school and High school in one column.
  • In Data, select Data Analysis and choose ANOVA- Single Factor.
  • In Input Variable Range, select Primary school, Junior High school and High school.
  • Click Labels.
  • Click Ok.
Step 2

Output using the Excel is given below:

Statistics homework question answer, step 2, image 1

 

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