Homework Answers
mean for sample 1 i.e. upperclass, x1bar = 0.61
mean for sample 2 i.e. underclass, x2bar = 1.4
point estimate = x1bar - x2bar
= 0.61 - 1.4
= -0.79
Option A
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Question 2 1 pts In Spring 2017, data was collected...
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what are the correct fill ins
Question 6 1 pts In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they had worked the previous day. The 95% confidence interval comparing underclassmen to upperclassmen was (-0.233, 1.1250) Interpret the interval. (Select] "We are 95% confident that the hours of sleep for underclassmen is between 0.233 [Select] to 1.1250 [Select ] that upperclassmen."
what is the correct answer choice?
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what is the correct answer choice?
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what are the correct fill ins?
Question 7 1 pts In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many football games did you attend in Fall 2016. The 95% confidence interval comparing underclassmen to upperclassmen was (-1.10, 1.8512) Interpret the interval. "We are 95% confident that the [Select] number of football games attended for underclassmen is between 1.10 (Select) to 1.85 [Select] that upperclassmen." Question 8 1 pts
what is the fill ins?
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