SCENARIO 10-2A researcher randomly sampled 30 graduates of an MBA program and recorded data concerning their starting salaries. Of primaryinterest to the researcher was the effect of gender on starting salaries. The result of the pooled-variance t test of the mean salariesof the females (Population 1) and males (Population 2) in the sample is given below.Hypothesized DifferenceLevel of SignificancePopulation 1 SampleSample SizeSample MeanSample Standard DeviationPopulation 2 SampleSample SizeSample MeanSample Standard DeviationDifference in Sample Meanst Test StatisticLower-Tail TestLower Critical Valuep-Value00.051899210135771210582011741-6610-1.37631-1.701130.089816Referring to Scenario 10-2, the researcher was attempting to show statistically that the female MBA graduates have a significantlylower mean starting salary than the male MBA graduates. The proper conclusion for this test is:

The null hypothesis states that the mean starting salary of male and female MBA graduates are the…

SCENARIO 10-2 A researcher randomly sampled 30 graduates of an MBA program and recorded data concerning their starting salaries. Of primary interest to the researcher was the effect of gender on starting salaries. The result of the pooled-variance t test of the mean salaries of the females (Population 1) and males (Population 2) in the sample is given below. Hypothesized Difference Level of Significance Sample Size Sample Mean Population 1 Sample Sample Standard Deviation Population 2 Sample Sample Size Sample Mean Sample Standard Deviation Difference in Sample Means t Test Statistic Lower-Tail Test Lower Critical Value p-Value 0 0.05 18 99210 13577 12 105820 11741 -6610 -1.37631 -1.70113 0.089816

SCENARIO 10-2 A researcher randomly sampled 30 graduates of an MBA program and recorded data concerning their starting salaries. Of primary interest to the researcher was the effect of gender on starting salaries. The result of the pooled-variance t test of the mean salaries of the females (Population 1) and males (Population 2) in the sample is given below. Hypothesized Difference Level of Significance Sample Size Sample Mean Population 1 Sample Sample Standard Deviation Population 2 Sample Sample Size Sample Mean Sample Standard Deviation Difference in Sample Means t Test Statistic Lower-Tail Test Lower Critical Value p-Value 0 0.05 18 99210 13577 12 105820 11741 -6610 -1.37631 -1.70113 0.089816

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 25SGR

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