Multiple Choice
Suppose the ages of students in Statistics 101 follow a right skewed distribution with a mean of 23 years and a standard deviation of 3 years.If we randomly sampled 100 students,which of the following statements about the sampling distribution of the sample mean age is incorrect ?
A) The mean of the sampling distribution is equal to 23 years.
B) The standard deviation of the sampling distribution is equal to 3 years.
C) The shape of the sampling distribution is approximately normal.
D) The standard error of the sampling distribution is equal to 0.3 years.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: If the amount of gasoline purchased per
Q5: The sample proportion is an unbiased estimator
Q6: The mean of the sampling distribution
Q7: The amount of time required for an
Q8: A sampling distribution is defined as the
Q10: The amount of bleach a machine pours
Q11: Suppose a sample of n = 50
Q12: SCENARIO 7-6<br>Online customer service is a key
Q13: Major league baseball salaries averaged $3.26 million
Q14: Sampling distributions describe the distribution of<br>A)parameters.<br>B)statistics.<br>C)both parameters