Statistics for the Behavioral Sciences
2nd Edition
ISBN: 9781452286907
Author: Gregory J. Privitera
Publisher: SAGE Publications, Inc
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Chapter 7, Problem 18CAP
(a)
To determine
Determine the value of the sample
(b)
To determine
Determine the value of the sample mean to be expected when the population mean is equal to 0.
(c)
To determine
Determine the value of the sample mean to be expected when the population mean is equal to 20.
(d)
To determine
Determine the value of the sample mean to be expected when the population mean is equal to
(e)
To determine
Determine the value of the sample mean to be expected when the population mean is equal to
(f)
To determine
Determine the value of the sample mean to be expected when the population mean is equal to 0.03.
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Show how you get critical values of 1.65, -1.65, and $1.96 for a right-tailed, left- tailed, and two-tailed hypothesis test (use a = 0.05 and assume a large sample size).
Suppose that a sports reporter claims the average football game lasts 3 hours, and you believe it's more than that. Your random sample of 35 games has an average time of 3.25 hours. Assume that the population standard deviation is 1 hour. Use a = 0.05. What do you conclude?
Suppose that a pizza place claims its average pizza delivery time is 30 minutes, but you believe it takes longer than that. Your sample of 10 pizzas has an average delivery time of 40 minutes. Assume that the population standard deviation is 15 minutes and the times have a normal distribution. Use a = 0.05. a. What are your null and alternative hypotheses? b. What is the critical value? c. What is the test statistic? d. What is the conclusion?
Chapter 7 Solutions
Statistics for the Behavioral Sciences
Ch. 7.1 - Prob. 1.1LCCh. 7.1 - Prob. 1.2LCCh. 7.1 - Prob. 1.3LCCh. 7.1 - Prob. 1.4LCCh. 7.2 - Prob. 2.1LCCh. 7.2 - Prob. 2.2LCCh. 7.2 - Prob. 2.3LCCh. 7.2 - Prob. 2.4LCCh. 7.3 - Prob. 3.1LCCh. 7.3 - Prob. 3.2LC
Ch. 7.3 - Prob. 3.3LCCh. 7.3 - Prob. 3.4LCCh. 7.3 - Prob. 3.5LCCh. 7.4 - Prob. 4.1LCCh. 7.4 - Prob. 4.2LCCh. 7.4 - Prob. 4.3LCCh. 7.8 - Prob. 5.1LCCh. 7.8 - Prob. 5.2LCCh. 7.8 - Prob. 5.3LCCh. 7.8 - Prob. 5.4LCCh. 7.8 - Prob. 5.5LCCh. 7.9 - Prob. 6.1LCCh. 7.9 - Prob. 6.2LCCh. 7.9 - Prob. 6.3LCCh. 7 - Prob. 1FPCh. 7 - Prob. 2FPCh. 7 - Prob. 3FPCh. 7 - Prob. 4FPCh. 7 - Prob. 5FPCh. 7 - Prob. 6FPCh. 7 - Prob. 7FPCh. 7 - Prob. 8FPCh. 7 - Prob. 9FPCh. 7 - Prob. 10FPCh. 7 - Prob. 11FPCh. 7 - Prob. 12FPCh. 7 - Prob. 13CAPCh. 7 - Prob. 14CAPCh. 7 - Prob. 15CAPCh. 7 - Prob. 16CAPCh. 7 - Prob. 17CAPCh. 7 - Prob. 18CAPCh. 7 - Prob. 19CAPCh. 7 - Prob. 20CAPCh. 7 - Prob. 21CAPCh. 7 - Prob. 22CAPCh. 7 - Prob. 23CAPCh. 7 - Prob. 24CAPCh. 7 - Prob. 25CAPCh. 7 - Prob. 26CAPCh. 7 - Prob. 27PRCh. 7 - Prob. 28PRCh. 7 - Prob. 29PRCh. 7 - Prob. 30PRCh. 7 - Prob. 31PRCh. 7 - Prob. 32PR
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