For these data, 2 = 69.8 with a P-value of approximately 0. Assuming that the researchers

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For these data, χ2 = 69.8 with a P-value of approximately 0. Assuming that the researchers used a significance level of 0.05, which of the following is true?

a. A Type I error is possible.

b. A Type II error is possible.

c. Both a Type I and a Type II error are possible.

d. There is no chance of making a Type I or Type II error because the P-value is approximately 0.

e. There is no chance of making a Type I or Type II error because the calculations are correct.


The National Longitudinal Study of Adolescent Health interviewed a random sample of 4877 teens (grades 7 to 12). One question asked, “What do you think are the chances you will be married in the next 10 years?” Here is a two-way table of the responses by gender:

Gender Opinion about Female Male Total marriage Almost no 119 103 222 chance Some chance, 150 171 321 but probably not A 50–50 447 512 959 chance A good chance 735 710 1445 Almost certain 1174 756 1930 Total 2625 2252 4877


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The Practice Of Statistics

ISBN: 9781319113339

6th Edition

Authors: Daren S. Starnes, Josh Tabor

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