Multiple Choice
Suppose the ages of students in Statistics 101 follow a skewed-right 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 shape of the sampling distribution is approximately normal.
C) The standard error of the sampling distribution is equal to 0.3 years.
D) The standard deviation of the sampling distribution is equal to 3 years.
Correct Answer:
Verified
Correct Answer:
Verified
Q21: In inferential statistics,the standard error of the
Q90: The question: "Have you used any form
Q93: The only way one can eliminate sampling
Q111: TABLE 7-7<br>Online customer service is a key
Q126: TABLE 7-4<br>According to a survey, only 15%
Q128: Suppose µ = 80 and ?<sup>2</sup> =
Q129: The standard error of the mean for
Q130: TABLE 7-2<br>The mean selling price of new
Q135: A study at a college in the
Q146: TABLE 7-6<br>According to an article, 19% of