Treatment 3 39

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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Question 16. Please Show Work

Random samples were selected from three populations. The data obtained are shown below. Please note that the sample
sizes are not equal.
Treatment 1
Treatment 2
Treatment 3
45
32
39
41
33
31
37
32
44
45
42
39
Compute the overall mean .
a.
Using a = .05, test to see if there is a significant difference among the treatment means. Show
b. all required parts of the test: hypothesis, work/calculations of test statistic and'or p-value, and
conclusion in context of the problem.
Transcribed Image Text:Random samples were selected from three populations. The data obtained are shown below. Please note that the sample sizes are not equal. Treatment 1 Treatment 2 Treatment 3 45 32 39 41 33 31 37 32 44 45 42 39 Compute the overall mean . a. Using a = .05, test to see if there is a significant difference among the treatment means. Show b. all required parts of the test: hypothesis, work/calculations of test statistic and'or p-value, and conclusion in context of the problem.
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