1. A researcher would like to compare the acidity level of five brands of yogurt that being sold in the supermarket. This researcher have suspected that different batch also will effect the acidity level of the yogurt. Brand Batch A B E 1 8.04 6.61 11.99 5.78 6.4 2 9.58 6.58 10.66 5.34 7.92 3 7.98 7.98 11.98 4.94 5.32 4 9.74 6.46 9.14 4.12 6.32 Based on the given data, test the hypothesis (at significant level of 0.01) that the acidity level of the yogurt are significantly different between brands. Does the researcher's suspicion are true? с D

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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1. A researcher would like to compare the acidity level of five brands of yogurt that
being sold in the supermarket. This researcher have suspected that different
batch also will effect the acidity level of the yogurt.
Brand
Batch
A
B
E
1
8.04 6.61
11.99
5.78
6.4
2
9.58 6.58
10.66
5.34
7.92
3
7.98 7.98
11.98
4.94
5.32
4
9.74 6.46
9.14 4.12
6.32
Based on the given data, test the hypothesis (at significant level of 0.01) that the
acidity level of the yogurt are significantly different between brands.
Does the researcher's suspicion are true?
If there are differences between the means, conduct a post-hoc test using DMRT.
с
D
Transcribed Image Text:1. A researcher would like to compare the acidity level of five brands of yogurt that being sold in the supermarket. This researcher have suspected that different batch also will effect the acidity level of the yogurt. Brand Batch A B E 1 8.04 6.61 11.99 5.78 6.4 2 9.58 6.58 10.66 5.34 7.92 3 7.98 7.98 11.98 4.94 5.32 4 9.74 6.46 9.14 4.12 6.32 Based on the given data, test the hypothesis (at significant level of 0.01) that the acidity level of the yogurt are significantly different between brands. Does the researcher's suspicion are true? If there are differences between the means, conduct a post-hoc test using DMRT. с D
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