N 22 for a sample size of two or more the standard

This preview shows page 10 - 13 out of 15 pages.

n 22For a sample size of two or more, the standard error of the mean must be( Assume normal distribution)equal to the population standard deviation.more than the population mean.less than the population standard deviation.less than the population mean.
View Feedbackn 23The Canadian government would like to test the hypothesis that the average hourly wage formen is more than $2.00 higher than the average hourly wage for women. The following datasummarizes the sample statistics for hourly wages for men and women. Assume that the population variances are equal.MenWomenSample mean$25.40$21.20Sample size2018Sample standard deviation$6.20$5.90Excel file with table data: MT Q28_29_Hourly_Wage.xlsxIf Population 1 is defined as men and Population 2 is defined as women, the correct hypothesis statement for this hypothesis test would beH0: μ1 - μ2≤ 0; H1: μ1- μ2 > 0.
1< 0.
View Feedbackn 24The National Association of Realtors reported that 26% of home buyers in the state of Floridaare foreigners in 2012. The correct hypothesis statement to test the validity of this report would beH0: p= 0.26; H1: p≥ 0.26.H0: p≠ 0.26; H1: p= 0.26.H0: p= 0.26; H1: p< 0.26.H0: p= 0.26; H1: p≠ 0.26.View Feedbackn 25The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 10 years. A random sample of 50 cars had an average age of 9.5 years. It is believed that the population standard deviation for the age of cars is 2.4 years. The Department of Transportation would like to set α= 0.10. The p-value for this hypothesis test would be ________.
View Feedbackn 26Breyers is a major producer of ice cream and would like to test the hypothesis that the average American consumes more than 17 ounces of ice cream per month. A random sample of 15 Americans was found to consume an average of 18.2 ounces of ice cream last month. The standard deviation for this sample was 3.9 ounces. Breyers would like to set α0.10.Which one of the following statements is true?=
View Feedback

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture