A school district has four schools, six class in from each school were randomly selected and the number of students in the class were recorded. Test the claim that at least one school has a different class size at a 0.10 level of significance. School A School B School C School D 20 32 32 36 29 45 37 28 44 46 36 21 47 46 35 33 42 45 37 28 25 31 33 33 The hypotheses for this ANOVA test would be: H0:μA=μB=μC=μDH0:μA=μB=μC=μD HA:HA: At least one mean is different. (claim) α=0.10α=0.10 Complete the ANOVA table below: (round answers to 3 decimal places) SS df MS F p-value Between Within The decision of the test is to: do not reject H0H0 reject H0H0 The final conclusion is: There is not enough evidence to support the claim that at least one school has a different class size. There is not enough evidence to reject the claim that at least one school has a different class size. There is enough evidence to reject the claim that at least one school has a different class size. There is enough evidence to support the claim that at least one school has a different class size.
A school district has four schools, six class in from each school were randomly selected and the number of students in the class were recorded. Test the claim that at least one school has a different class size at a 0.10 level of significance. School A School B School C School D 20 32 32 36 29 45 37 28 44 46 36 21 47 46 35 33 42 45 37 28 25 31 33 33 The hypotheses for this ANOVA test would be: H0:μA=μB=μC=μDH0:μA=μB=μC=μD HA:HA: At least one mean is different. (claim) α=0.10α=0.10 Complete the ANOVA table below: (round answers to 3 decimal places) SS df MS F p-value Between Within The decision of the test is to: do not reject H0H0 reject H0H0 The final conclusion is: There is not enough evidence to support the claim that at least one school has a different class size. There is not enough evidence to reject the claim that at least one school has a different class size. There is enough evidence to reject the claim that at least one school has a different class size. There is enough evidence to support the claim that at least one school has a different class size.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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A school district has four schools, six class in from each school were randomly selected and the number of students in the class were recorded. Test the claim that at least one school has a different class size at a 0.10 level of significance.
School A | School B | School C | School D |
20 | 32 | 32 | 36 |
29 | 45 | 37 | 28 |
44 | 46 | 36 | 21 |
47 | 46 | 35 | 33 |
42 | 45 | 37 | 28 |
25 | 31 | 33 | 33 |
The hypotheses for this ANOVA test would be:
H0:μA=μB=μC=μDH0:μA=μB=μC=μD
HA:HA: At least one mean is different. (claim)
α=0.10α=0.10
Complete the ANOVA table below: (round answers to 3 decimal places)
SS | df | MS | F | p-value | |
Between | |||||
Within |
The decision of the test is to:
- do not reject H0H0
- reject H0H0
The final conclusion is:
- There is not enough evidence to support the claim that at least one school has a different class size.
- There is not enough evidence to reject the claim that at least one school has a different class size.
- There is enough evidence to reject the claim that at least one school has a different class size.
- There is enough evidence to support the claim that at least one school has a different class size.
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