A random sample of people from four ethnic groups were taken for a study. The table shows the results for the mean number of times a month a person eats out. Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. a) What is the p-value? b) At the 5% significance level, are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians?
A random sample of people from four ethnic groups were taken for a study. The table shows the results for the mean number of times a month a person eats out. Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. a) What is the p-value? b) At the 5% significance level, are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians?
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 2SE: What is a sample space?
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A random sample of people from four ethnic groups were taken for a study. The table shows the results for the mean number of times a month a person eats out.
Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly.
a) What is the p-value?
b) At the 5% significance level, are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians?
Transcribed Image Text:White
Black Hispanic
Asian
6
4
7
8.
8
1
3
3
2
5
5
4
2
4
1
6.
7
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