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 population is normally distributed. Mouse 1 2 3 4 6. Weight (before) 20.8 22.4 21.7 23.6 19.6 19.9 Weight (after) 20.8 22.5 21.5 23.7 19.5 19.8 1) Find the standardized t test 39.70 2) Find the P-value 3) Decide whether to reject or fail to reject the null hypothesis. 10,600 4) Interpret the decision in the context of the original claim.

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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.
Mouse
1
4
6.
Weight (before)
Weight (after)
20.8
22.4
21.7
23.6
19.6
19.9
20.8
22.5
21.5
23.7
19.5
19.8
1) Find the standardized t test
2) Find the P-value
3) Decide whether to reject or fail to reject the null hypothesis.
4) Interpret the decision in the context of the original claim.
19,600
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. Mouse 1 4 6. Weight (before) Weight (after) 20.8 22.4 21.7 23.6 19.6 19.9 20.8 22.5 21.5 23.7 19.5 19.8 1) Find the standardized t test 2) Find the P-value 3) Decide whether to reject or fail to reject the null hypothesis. 4) Interpret the decision in the context of the original claim. 19,600
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