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Len [333]
3 years ago
12

Help, Please! I really need this done right Carlos is analyzing the results of an experiment on two groups of mice in which he c

ompared the difference in their weight gain after feeding each group a different type of food for one month. The difference in the mean weight gain is 0.6 grams. The standard deviation of the difference in sample means is 0.305. The 68% confidence interval for the population mean difference is ±(A.0.305, B.0.600, C.0905 D.1.200) The 95% confidence interval for the population mean difference is ±(A.0.160,B.0.305,C.0.610,D.0.915)
Mathematics
1 answer:
Allushta [10]3 years ago
7 0
Given:
difference in the mean weight gain is 0.60 grams
standard deviation of the difference in sample mean is 0.305

68% confidence interval for the population mean difference is a) 0.305

0.60 <u>+</u> 1 * 0.305
0.60 + 0.305 = 0.905
0.60 - 0.305 = 0.295

95% confidence interval for the population mean difference is c) 0.61

0.60 <u>+</u> 2 * 0.305
0.60 + 0.61 = 1.21
0.60 - 0.61 = -0.01
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