Exhibit 11-2
Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A sample of 300 students taken from this year's student body showed the following number of students in each classification.
We are interested in determining whether or not there has been a significant change in the classifications between the last school year and this school year.
-Refer to Exhibit 11-2. The expected number of freshmen is
A) 83
B) 90
C) 30
D) 10
Correct Answer:
Verified
Q2: A statistical test conducted to determine whether
Q3: Exhibit 11-1
When individuals in a sample
Q3: The degrees of freedom for a contingency
Q4: In order not to violate the requirements
Q6: If we are interested in testing whether
Q7: The degrees of freedom for a contingency
Q7: Exhibit 11-1
When individuals in a sample
Q11: A population where each element of the
Q14: A goodness of fit test is always
Q16: An important application of the chi-square distribution
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