A survey of 25 grocery stores revealed that the average price of a 4-litre bag of milk was $2.98 with a standard error of $0.10. If 90% and 95% confidence intervals were developed to estimate the true cost of a 4-litre bag of milk, what similarities would they have?
A) Point estimates
B) t-statistics
C) Standard errors
D) Both "a" and "c"
E) None of the other statements are correct

Question

Quizplus · Accepted Answer

Both confidence intervals would have the same point estimate ($2.98) and the same standard error ($0.10).

A Survey of 25 Grocery Stores Revealed That the Average