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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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Question

5)

Select the most appropriate response.
If a null hypothesis is rejected at a 1% significance level, when using the same sample
data:
it will always be rejected at a 5% significance level.
it will never be rejected at a 5% significance level.
it will sometimes be rejected at the 5% significance level.

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if a hypothesis is not rejected at the 0.10 significance level, it A. Must be rejected at the 0.05 level. B. May be rejected at the 0.05 level. C. Will not be rejected at the 0.05 level. D. Must be rejected at the 0.01 level.
A researcher wants to determine if there is an association between gender and political party association. She interviewed 1000 random individuals and recorded their gender and their political party. The results are shown in the table below. Conduct the appropriate hypothesis test using a 0.05 significance level. What are the hypotheses? a. H0: p1 = p2 HA: p1 > p2 b. H0: p1 = p2 HA: p1 < p2 c. H0: Gender and Political Party association are related. HA: Gender and Political Party association are associated. d. H0: Gender and Political Party association are independent. HA: Gender and Political Party association are associated. e. H0: Gender and Political Party association are associated. HA: Gender and Political Party association are independent. a. 133.33 b. 2.5 c. 10 d. 50 e. 40 f. 133 What is the chi-square contribution for male independents? a. 10 b.…
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Which of the following is the correct conclusion for the hypothesis test? A. At the 5% significance level, reject H0; the data provide sufficient evidence to conclude that women who take folic acid are at lesser risk of having children with major birth defects. B. At the 5% significance level, reject H0; the data do not provide sufficient evidence to conclude that women who take folic acid are at lesser risk of having children with major birth defects. C. At the 5% significance level, do not reject H0; the data do not provide sufficient evidence to conclude that women who take folic acid are at lesser risk of having children with major birth defects. D. At the 5% significance level, do not reject H0; the data provide sufficient evidence to conclude that women who take folic acid are at lesser risk of having children with major birth defects. Part 5 b. This study is ▼ an observational study, a designed experiment, because the…
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