Question: In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they had slept

In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they had slept the previous night. The 90% confidence interval comparing underclassmen to upperclassmen was (0.015, 0.9153) .

"We are 95% confident that the

ANSWER CHOICES "sample mean" OR "population mean" OR "sample proportion" OR "population proportion"

hours of sleepfor underclassmen is between 0.015

ANSWER CHOICE: "less" OR "more"

to 0.9153ANSWER CHOICE "less" OR "more" that upperclassmen."

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