Question
The Marshall Scholarship is a postgraduate scholarship available to U.S. students for study at any university in the United Kingdom. When a student applies, and
The Marshall Scholarship is a postgraduate scholarship available to U.S. students for study at any university in the United Kingdom. When a student applies, and is endorsed by their college, they select which U.K. university they'd prefer to study at. Do students selected for the Marshall scholarship have different U.K. university preferences than students who were endorsed by their colleges but not selected? The data are recorded in the contingency table below.
Find the test statistic for a chi-squareHomogeneity Testand make a conclusionat the 5% significance level. Use the portion of the 2-table below for the critical value.(Use expected frequencies that are also rounded to one decimal place.)
University of Oxford | University of London | Other | Row Total | |
Selected | 47 | 56 | 55 | 158 |
Endorsed but not Selected | 206 | 212 | 340 | 758 |
Column Total | 253 | 268 | 395 | 916 |
Determine the critical value using the following portion of the 2-table.
df20.1020.0520.02520.0120.00512.7063.8415.0246.6357.87924.6055.9917.3789.21010.59736.2517.8159.34811.34512.83847.7799.48811.14313.27714.86059.23611.07012.83315.08616.750
Select the correct answer below:
The test statistic is 20=10.3.
The test statistic is greater than the critical value, so werejectthe null hypothesis.There is not sufficient evidence to conclude that the distributions are different.
The test statistic is 20=5.9.
The test statistic is less than the critical value, so we do not rejectthe null hypothesis. There is not sufficient evidence to conclude that the distributions are different.
The test statistic is 20=10.3.
The test statistic is greater than the critical value, so we do notrejectthe null hypothesis.There is not sufficient evidence to conclude that the distributions are different.
The test statistic is 20=4.8.
The test statistic is less than the critical value, so wedo not rejectthe null hypothesis.There is not sufficient evidence to conclude that the distributions are different.
The test statistic is 20=5.9.
The test statistic is greater than the critical value, so we rejectthe null hypothesis.There is not sufficient evidence to conclude that the distributions are different.
The test statistic is 20=4.8.
The test statistic is greater than the critical value, so werejectthe null hypothesis.There is sufficient evidence to conclude that the distributions are different.
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