a jvertised? ") Advertisements by Body-Builder Fitness Center claim that completing its course will result in losing weight. A random sample of
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Question

Please answer only question no. (c)

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IMG_20191029_144957.jpg

a jvertised?
") Advertisements by Body-Builder Fitness Center claim that completing its course will result in losing weight. A random
sample of 8 recent participants showed the following weights (in pounds) before and after completing the course. At the
0.01 significance level, can we conclude that the students lose weight? Also determine the p-value.
358
Name
Sobuj
Palash
Sathi
Enlas
Idrak
Alif
lashna
Abdullah
Before
155
228
14!
1 :2
211
164
184
172
After
154
207
147
196
150
170
165

Top Answer

The null and alternative hypotheses are, H0: D 0 Ha: D < 0 D = Difference... View the full answer

Paired t-test_102919.png

Hypothesis Test: Paired Observations
0.000 hypothesized value
168.250 mean After
177.125 mean Before
-8.875 mean difference (After - Before)
8.774 std. dev.
3.102 std. error
7 df
-2.861 t
0.0122...

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