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). Test the claim that, on average, there is a measurable difference between left and right foot length. Length in mm mean 8 Left foot ( 281 258 266 270 274 254 265 250 266 245 262.9 11.1300394328942 x) Right foot (y) d = x - y 281 257 267 269 273 253 265 250 267 245 262.7 11.1758668567587 01 (a) Find the test statistic. 0.23 (b) Test the claim at the 0.05 significance level. Positive critical value: -1 1 1 1 0 0 -1 0 0.2 0.788810637746616 Negative critical value:
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). Test the claim that, on average, there is a measurable difference between left and right foot length. Length in mm mean 8 Left foot ( 281 258 266 270 274 254 265 250 266 245 262.9 11.1300394328942 x) Right foot (y) d = x - y 281 257 267 269 273 253 265 250 267 245 262.7 11.1758668567587 01 (a) Find the test statistic. 0.23 (b) Test the claim at the 0.05 significance level. Positive critical value: -1 1 1 1 0 0 -1 0 0.2 0.788810637746616 Negative critical value:
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter9: Solving Quadratic Functions
Section: Chapter Questions
Problem 4CA
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Is this correct? I don't want to move onto the next two parts unless if it is but an explanation on everything would be helpful! Thank you!
Transcribed Image Text: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).
Test the claim that, on average, there is a measurable difference between left and right foot length.
Length in mm
mean
Left foot ( 281 258 266 270 274 254 265 250 266 245 262.9
x)
Right foot
(y)
d = x-
281 257 267 269 273 253 265 250 267 245 262.7
y 0
1
(a) Find the test statistic.
0.23
Positive critical value:
-1
Negative critical value:
1
1
(b) Test the claim at the 0.05 significance level.
1
0 0 -1 0
8
11.1300394328942
11.1758668567587
0.2 0.788810637746616
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