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A dietitian wishes to see if a person's cholesterol level will change if the diet is supplemented by a certain mineral. Six subjects were pretested, and then they took the mineral supplement for a 6-week period. The results are shown in the table. (Cholesterol level is measured in milligrams per deciliter.) Can it be concluded that the cholesterol level has been changed at a = 0.10? Assume the variable is approximately normally distributed. Subject 2 3 4 5 6 Before (X,) 210 235 208 190 172 244 After (X,) 190 170 210 188 173 228 Find the 90% confidence interval for the data

A dietitian wishes to see if a person's cholesterol level will change if the diet is supplemented by a certain mineral. Six subjects were pretested, and then they took the mineral supplement for a 6-week period. The results are shown in the table. (Cholesterol level is measured in milligrams per deciliter.) Can it be concluded that the cholesterol level has been changed at a = 0.10? Assume the variable is approximately normally distributed. Subject 2 3 4 5 6 Before (X,) 210 235 208 190 172 244 After (X,) 190 170 210 188 173 228 Find the 90% confidence interval for the data

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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19:22 class activity Sl.pptx Class activity dietitian wishes to see if a person's cholesterol level will change if the diet is supplemented by a certain mineral. Six subjects were pretested, and then they took the mineral supplement for a 6-week period. The results are shown in the table. (Cholesterol level is measured in milligrams per deciliter.) Can it be concluded that the cholesterol level has been changed at a = 0.10? Assume the variable is approximately normally distributed. Subject 1 3 5 Before (X,) 210 235 208 190 172 244 After (X,) 190 170 210 188 173 228 Find the 90% confidence interval for the data
Transcribed Image Text:19:22 class activity Sl.pptx Class activity dietitian wishes to see if a person's cholesterol level will change if the diet is supplemented by a certain mineral. Six subjects were pretested, and then they took the mineral supplement for a 6-week period. The results are shown in the table. (Cholesterol level is measured in milligrams per deciliter.) Can it be concluded that the cholesterol level has been changed at a = 0.10? Assume the variable is approximately normally distributed. Subject 1 3 5 Before (X,) 210 235 208 190 172 244 After (X,) 190 170 210 188 173 228 Find the 90% confidence interval for the data
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