A. fill in the table  B. for alpha=.01 (one tail) would you reject H0 before  7 6 8 7 5 4 6 after 4 8 7 3 4 4 5 d.               sign of difference

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 75E
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A. fill in the table 

B. for alpha=.01 (one tail) would you reject H0

before  7 6 8 7 5 4 6
after 4 8 7 3 4 4 5
d.              
sign of difference               
Expert Solution
Step 1

Note:- Complete statement is not given. So assuming it is a problem of paired t-test and Lower Test. I have solved.

Given data and calculation

D= Before – After
(D-1.14)2
Before
After
4
3
3.46
-2
9.86
0.02
8.18
3
4
4
0.02
4
4
1.30
6.
0.02
Sum = 8
Sum = 22.86
Average = 8/7 =1.14
Step 2

Sample standard deviation is given by

Σ(D-a)
22.86
1.9519
п — 1
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