Researchers measured food intake of 100 students. The following table summarizes the protein intake measurements. Boys Girls Mean S.d. n1 Mean S.d. n2 Protein intake (g) 24.5 4.1 45 20.5 8.3 55 Construct a two-sided 99% confidence interval for the difference in mean protein intake measurements between the boys and girls. Does the above give evidence to suggest the boys intake more protein than the girls in average? Test at the 5% significance level.
Researchers measured food intake of 100 students. The following table summarizes the protein intake measurements. Boys Girls Mean S.d. n1 Mean S.d. n2 Protein intake (g) 24.5 4.1 45 20.5 8.3 55 Construct a two-sided 99% confidence interval for the difference in mean protein intake measurements between the boys and girls. Does the above give evidence to suggest the boys intake more protein than the girls in average? Test at the 5% significance level.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Question
Researchers measured food intake of 100 students. The following table summarizes the protein intake measurements.
|
|
Boys |
|
|
Girls |
|
|
|
S.d. |
n1 |
Mean |
S.d. |
n2 |
Protein intake (g) |
24.5 |
4.1 |
45 |
20.5 |
8.3 |
55 |
- Construct a two-sided 99% confidence interval for the difference in mean protein intake measurements between the boys and girls.
- Does the above give evidence to suggest the boys intake more protein than the girls in average? Test at the 5% significance level.
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