Statistics for the Behavioral Sciences
3rd Edition
ISBN: 9781506386256
Author: Gregory J. Privitera
Publisher: SAGE Publications, Inc
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Question
Chapter 12, Problem 29PR
To determine
State the assumptions for the One-way between-subjects ANOVA.
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The researchers obtained a significant test statistic when comparing three treatments in a one-way ANOVA. In words, how would you interpret the
alternative hypothesis?
Select the correct response:
There is no significant difference among the means of the three treatments.
There is a significant difference among the means of the three treatments.
There is no significant difference between the means of the treatments.
There is a significant difference between the means of the treatments.
Four drug companies are studying the effect of their new drugs. In its clinical trials, company A used a one tailed test with a significance level of .01; company B used a one tailed test with a significant level of 0.05; company C used a two tailed test with a significant level of 0.01 and company D used a two tailed test with a significant level of 0.05. Which of the following statement is correct?
Question-
If all of the four drug companies in the previous question (Q1-(1)) obtained a p-value of 0.03 in their c clinical trails
Company A will reject the null hypothesis (H0)
Company B will reject the null hypothesis (H0)
Company C will reject the alternative hypothesis (H1)
Company D will reject the alternative hypothesis (H1)
A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming.
The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to
agree, or is there a substantial difference?
Male
Female
Human activity Natural patterns Don't know
139
156
310
335
36
34
Click here to view the chi-square distribution table.
Identify the null and alternative hypotheses.
Ho:
The sex of the respondent
and the choice for the cause of global warming are independent.
H,:
The sex of the respondent
and the choice for the cause of global warming are dependent.
Compute the test statistic.
(Round to three decimal places as needed.)
Chapter 12 Solutions
Statistics for the Behavioral Sciences
Ch. 12.2 - Prob. 1.1LCCh. 12.2 - Prob. 1.2LCCh. 12.2 - Prob. 1.3LCCh. 12.2 - Prob. 1.4LCCh. 12.4 - Prob. 2.1LCCh. 12.4 - Prob. 2.2LCCh. 12.4 - Prob. 2.3LCCh. 12.4 - Prob. 2.4LCCh. 12.6 - Prob. 3.1LCCh. 12.6 - Prob. 3.2LC
Ch. 12.6 - Prob. 3.3LCCh. 12.6 - Prob. 3.4LCCh. 12.6 - Prob. 3.5LCCh. 12.6 - Prob. 3.6LCCh. 12.7 - Prob. 4.1LCCh. 12.7 - Prob. 4.2LCCh. 12.7 - Prob. 4.3LCCh. 12.9 - Prob. 5.1LCCh. 12.9 - Prob. 5.2LCCh. 12 - Prob. 1FPCh. 12 - Prob. 2FPCh. 12 - Prob. 3FPCh. 12 - Prob. 4FPCh. 12 - Prob. 5FPCh. 12 - Prob. 6FPCh. 12 - Prob. 7FPCh. 12 - Prob. 8FPCh. 12 - Prob. 9FPCh. 12 - Prob. 10FPCh. 12 - Prob. 11FPCh. 12 - Prob. 12FPCh. 12 - Prob. 13CAPCh. 12 - Prob. 14CAPCh. 12 - Prob. 15CAPCh. 12 - Prob. 16CAPCh. 12 - Prob. 17CAPCh. 12 - Prob. 18CAPCh. 12 - Prob. 19CAPCh. 12 - Prob. 20CAPCh. 12 - Prob. 21CAPCh. 12 - Prob. 22CAPCh. 12 - Prob. 23CAPCh. 12 - Prob. 24CAPCh. 12 - Prob. 25CAPCh. 12 - Prob. 26CAPCh. 12 - Prob. 27CAPCh. 12 - Prob. 28CAPCh. 12 - Prob. 29PRCh. 12 - Prob. 30PRCh. 12 - Prob. 31PRCh. 12 - Prob. 32PRCh. 12 - Prob. 33PRCh. 12 - Prob. 34PR
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- A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know 38 41 Male 342 Female 317 Click here to view the chi-square distribution table. 179 163 Identify the null and alternative hypotheses. Ho: The sex of the respondent and the choice for the cause of global warming are independent. H₁: The sex of the respondent and the choice for the cause of global warming are dependent. Compute the test statistic. 0.474 (Round to three decimal places as needed.) Find the critical value(s). 0 (Round to three decimal places as…arrow_forwardA poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference? Human activity Natural patterns Don't know Male 310 139 36 Female 335 156 34 Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Họ: The sex of the respondent and the choice for the cause of global warming are independent. H1: The sex of the respondent and the choice for the cause of global warming are dependent. Compute the test statistic. 0.422 (Round to three decimal places as needed.) Find the critical value(s). (Round to three decimal places as needed.…arrow_forward
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