Multiple Choice
A survey of 25 grocery stores revealed that the average price of a gallon of milk was $2.98,with a standard error of $0.10. What is the 98% confidence interval to estimate the true cost of a gallon of milk?
A) $2.73 to $3.23
B) $2.85 to $3.11
C) $2.94 to $3.02
D) $2.95 to $3.01
Correct Answer:
Verified
Correct Answer:
Verified
Q62: If 95% and 98% confidence intervals were
Q63: A survey of an urban university (population
Q64: A point estimate is a single value
Q65: Which statement(s)is(are)correct about the t-distribution?<br>A)The mean is
Q66: A sample of 50 is selected from
Q68: A survey of 50 retail stores revealed
Q69: A group of statistics students decided to
Q70: Local government officials are interested in knowing
Q71: The mean weight of trucks traveling on
Q72: A sample mean is the best point