The intake of a particular substance for a random sample among 3 different groups of people is listed below. Is there sufficient evidence at a = 0.05 to conclude difference in the mean intake among the 3 groups ? B 2 1.5 4 3 2.5 A 2 3.7 2.5 4 1.5 0.75 1 5.1 1.3 3 3.8 2 2.9 O Reject null. There is enough evidence to conclude that at least one mean is different from the others O Do no reject null. There is insufficient evidence to conclude that at least one mean is different from the others

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Question 9
The intake of a particular substance for a random sample among 3 different groups of people is listed below. Is there sufficient evidence at a = 0.05 to conclude
difference in the mean intake among the 3 groups ?
B
2
A
3.7
2
1.5
1.5
4
3
2.5
2.5
0,75
4
1
5.1
1.3
3.8
3
2.9
O Reject null. There is enough evidence to conclude that at least one mean is different from the others
O Do no reject null. There is insufficient evidence to conclude that at least one mean is different from the others
Transcribed Image Text:Question 9 The intake of a particular substance for a random sample among 3 different groups of people is listed below. Is there sufficient evidence at a = 0.05 to conclude difference in the mean intake among the 3 groups ? B 2 A 3.7 2 1.5 1.5 4 3 2.5 2.5 0,75 4 1 5.1 1.3 3.8 3 2.9 O Reject null. There is enough evidence to conclude that at least one mean is different from the others O Do no reject null. There is insufficient evidence to conclude that at least one mean is different from the others
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