Multiple Choice
Bones Brothers & Associates prepare individual tax returns. Over prior years,Bones Brothers has maintained careful records regarding the time to prepare a return. The mean time to prepare a return is 90 minutes,and the population standard deviation of this distribution is 14 minutes. Suppose 100 returns from this year are selected and analyzed regarding the preparation time. What is the standard error of the mean?
A) 14 minutes
B) 140 minutes
C) 1.4 minutes
D) 90 minutes
Correct Answer:

Verified
Correct Answer:
Verified
Q43: The tread life of tires mounted on
Q44: Bones Brothers & Associates prepare individual tax
Q45: We can expect some difference between sample
Q46: The mean of all possible sample means
Q47: Mileage tests were conducted on a randomly
Q49: The wildlife department has been feeding a
Q50: An experiment involves selecting a random sample
Q51: The true sampling error is usually not
Q52: The weight of trucks traveling on a
Q53: The Intelligence Quotient (IQ)test scores for adults