Multiple Choice
SCENARIO 12-1 A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self- improvement course would like such a course.The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course.The groups are assumed to be independent random samples.Let represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study, respectively.
-Referring to Scenario 12-1, what is the critical value when performing a chi-square test on whether the population proportions are different if = 0.05?
A) 1.645
B) 1.96
C) 3.841
D) 2.706
Correct Answer:

Verified
Correct Answer:
Verified
Q44: SCENARIO 12-2<br>The dean of a college is
Q47: SCENARIO 12-7<br>Data on the percentage of 200
Q71: SCENARIO 12-5<br>Four surgical procedures currently are used
Q72: In testing a hypothesis using the <img
Q76: The sum of squared differences, with each
Q79: If we use the <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8562/.jpg" alt="If
Q101: SCENARIO 12-13<br>Recent studies have found that American
Q121: SCENARIO 12-5<br>Four surgical procedures currently are used
Q156: SCENARIO 12-16<br>As part of an evaluation program,a
Q163: SCENARIO 12-6<br>According to an article in Marketing