(b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in any answer boxes to complete your choice. Round to three decimal places as needed.) DA. t< OB. t> OC. t< or t>
(b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in any answer boxes to complete your choice. Round to three decimal places as needed.) DA. t< OB. t> OC. t< or t>
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A scientist claims that pneumonia causes weight loss in mice. The table shows the weights (in grams) of six mice before infection and two days after infection. At a= 0.05, is there enough
evidence to support the scientist's claim? Assume the samples are random and dependent, and the population is normally distributed. Complete parts (a) through (e) below.
Mouse
4.
6.
Weight (before)
Weight (after)
23.5 20.7 20.5 19.4 21.4 23.2
22.0 19.9 19.7 19.1 20.3 21.9
A. Pneumonia causes weight loss in mice.
O B. Pneumonia causes weight gain in mice.
OC. Weight loss causes pneumonia in mice.
OD. Weight gain causes pneumonia in mice.
Let p, be the hypothesized mean of the difference in the weights (before - after). What are H, and H,?
O A H Ha sd
O
B. Ho Hd 70
Ha Pa0
OC. Ho Ha =0
Ha Ha 0
D.
O E. H, Pa d
OR Ho Ha20
. H, Pg S0
Ha Ha>0
Ha Ha <0
(b) Find the critical value(s) and identify the rejection region(s).
Select the correct choice below and fill in any answer boxes to complete your choice.
(Round to three decimal places as needed.)
O A. t<
O B. t>
O C. t<
or t>
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