Patient
Weight before
Weight loss program
Weight after
A
150
148
B
220
221
C
175
170
D
200
E
300
295
F
290
293
G
285
282
H
195
194
I
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.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here