A medical researcher wishes to see if he can lower the cholesterol levels through diet in 6 people by showing a film about the effects of high cholesterol levels. The data are shown. At α = 0.05, did the cholesterol level decrease on average? Patient            1           2          3         4           5           6 Before           243       216      214     222       206       219 After              215       202      198    195        204       213

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A medical researcher wishes to see if he can lower the cholesterol levels through diet in 6 people by showing a film about the effects of high cholesterol levels. The data are shown. At α = 0.05, did the cholesterol level decrease on average?
Patient            1           2          3         4           5           6
Before           243       216      214     222       206       219
After              215       202      198    195        204       213

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