an English course differs depending upon the time of day that the course is being offered.
-Is there a significant difference between the mean attendance for the classes given ?
A)Yes, there is a significant difference between the means.
B)No, there is no significant difference between the means.
C)The F-test cannot be used to answer whether or not there is a significant difference between the means.
D)The Scheffé test needs to be performed in order to find whether or not there is a significant difference between the means.

Question

an English course differs depending upon the time of day that the course is being offered. 
-Is there a significant difference between the mean attendance for the classes given  ?
A)Yes, there is a significant difference between the means. 
B)No, there is no significant difference between the means. 
C)The F-test cannot be used to answer whether or not there is a significant difference between the means. 
D)The Scheffé test needs to be performed in order to find whether or not there is a significant difference between the means.

Quizplus · Accepted Answer

The question specifically asks if there is a significant difference between the mean attendance for the classes given at different times of day. To answer this question, we need to compare the means using a statistical test. The F-test is commonly used to compare the means of two or more groups, and in this case, we have two time groups (morning and evening). Therefore, we can use the F-test to test if there is a significant difference in mean attendance between the two groups. If the p-value from the F-test is less than 0.05 (assuming a 5% significance level), we can reject the null hypothesis and conclude that there is a significant difference between the means. Therefore, the answer is A, there is a significant difference between the means. The question states that the English course differs depending upon the time of day, implying that there are different teaching methods or materials used. Therefore, it is likely that attendance may be affected. The question asks about a significant difference, which suggests a statistical test is needed. The best one to use would be an analysis of variance (ANOVA) test, which can test for differences between means across multiple groups. If the ANOVA test shows a significant difference, then post-hoc tests such as the Scheffé test may be used to determine which classes have significantly different means.

An English Course Differs Depending Upon the Time of Day