Multiple Choice
The claim that "40% of those persons who retired from an industrial job before the age of 60 would return to work if a suitable job was available" is to be investigated at the 0.02 significance level. If 74 out of the 200 workers sampled said they would return to work, what is our decision?
A) Do not reject the null hypothesis because -0.879 lies in the region between +2.326 and -2.326.
B) Do not reject the null hypothesis because -0.879 lies in the region between +2.576 and -2.576.
C) Reject the null hypothesis because 37% is less than 40%.
D) Do not reject the null hypothesis because 37% lies in the area between 0% and 40%.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Based on the Nielsen ratings,the local CBS
Q11: For a contingency table,the expected frequency for
Q73: When testing the null hypothesis that two
Q74: A personnel manager is concerned about absenteeism.
Q75: If we are testing for the difference
Q77: To compare the effect of weather on
Q80: A committee that is studying employer-employee relations
Q81: When determining how well an observed set
Q82: The computed chi-square value is positive because
Q102: The variance of the chi-square distribution is