Patient Weight before Weight loss program Weight after Weight loss program A 150 148 B 220 221 C 175 170 D 200 200 E 300 295 F 290 293 G 285 282 H 195 194 I 295 292 Identify the hypotheses being...

























































Patient




Weight before



Weight loss program




Weight after



Weight loss program



A



150



148



B



220



221



C



175



170



D



200



200



E



300



295



F



290



293



G



285



282



H



195



194



I



295



292



Identify the hypotheses being tested:HINT:  Small sample, we are testing theDIFFERENCE, We want to know if it isless than when  AFTER - BEFORE.  Basically we believe the weight loss program lowers the participant’s weight. Improvement means weight went down.  Given:   level alpha is 0.01.


QUESTION:  What is the 99% confidence interval work and words?


a) -1.67 +/- (0.8967)(1.96). We are 99% confident the average difference (After - Before program) in weight is between LOWER by 3.43 to HIGHER by 0.09 pounds.



b) -1.67 +/- (0.8967)(3.356). We are 99% confident the average difference (After - Before program) in weight is between LOWER by 4.67 to HIGHER by 1.34 pounds.



c) 234.44 +/- (0.8967)(3.356). We are 99% confident the average difference (After - Before program) in weight is between 231.43 and 237.45 pounds.



d) 234.44 +/- (0.8967)(1.96). We are 99% confident the average difference (After - Before program) in weight is between 232.68 and 236.2 pounds.



Jun 08, 2022
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