It is considered quite common to have feet of unequal length. In a sample of 10 healthy college students the right-foot and left-foot lengths are given (in mm). Length in mm mean ss Left foot (xx) 268 274 258 259 256 256 264 263 269 270 263.7 6.3779132776932 Right foot (yy) 247 281 249 259 231 273 267 264 285 265 262.1 16.3737594949969 d=x−yd=x−y 21 -7 9 0 25 -17 -3 -1 -16 5 1.6 13.9459273226591 (a) Find the test statistic. (b) Test the claim at the 0.05 significance level. Positive critical value: Negative critical value: Is there sufficient data to support the claim? Yes No
It is considered quite common to have feet of unequal length. In a sample of 10 healthy college students the right-foot and left-foot lengths are given (in mm). Length in mm mean ss Left foot (xx) 268 274 258 259 256 256 264 263 269 270 263.7 6.3779132776932 Right foot (yy) 247 281 249 259 231 273 267 264 285 265 262.1 16.3737594949969 d=x−yd=x−y 21 -7 9 0 25 -17 -3 -1 -16 5 1.6 13.9459273226591 (a) Find the test statistic. (b) Test the claim at the 0.05 significance level. Positive critical value: Negative critical value: Is there sufficient data to support the claim? Yes No
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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It is considered quite common to have feet of unequal length. In a sample of 10 healthy college students the right-foot and left-foot lengths are given (in mm).
| Length in mm | mean | ss | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Left foot (xx) | 268 | 274 | 258 | 259 | 256 | 256 | 264 | 263 | 269 | 270 | 263.7 | 6.3779132776932 |
| Right foot (yy) | 247 | 281 | 249 | 259 | 231 | 273 | 267 | 264 | 285 | 265 | 262.1 | 16.3737594949969 |
| d=x−yd=x−y | 21 | -7 | 9 | 0 | 25 | -17 | -3 | -1 | -16 | 5 | 1.6 | 13.9459273226591 |
(a) Find the test statistic.
(b) Test the claim at the 0.05 significance level.
Positive critical value:
Negative critical value:
Is there sufficient data to support the claim?
Yes
No
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