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In the past, 35% of the students at ABC University were in the Business College,

ID: 3056285 • Letter: I

Question

In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have changed, a sample of 300 students from the university was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals

Explanation / Answer

Chi squared equals 4.375 with 2 degrees of freedom. The two-tailed P value equals 0.1122

At 5% level of signifance, we fail to reject the null hypothesis that there is a no significant diffrence between expected and observed values

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