Multiple Choice
A student wanted to construct a 95% confidence interval for the average age of students in her statistics class. She randomly selected 9 students. Their average age was 19.1 years with a standard deviation of 1.5 years. What is the best point estimate for the population mean?
A) 2.1 years
B) 1.5 years
C) 19.1 years
D) 9 years
Correct Answer:
Verified
Correct Answer:
Verified
Q119: A survey of 25 grocery stores revealed
Q120: In terms of the standard error of
Q121: What type of estimate states the range
Q122: Forty-nine items are randomly selected from a
Q123: The proportion of junior executives leaving large
Q125: The mean number of travel days per
Q126: Making generalized statements about a population based
Q127: A survey of 50 retail stores revealed
Q128: A survey of 50 retail stores revealed
Q129: What is the interval within which a