A web developer has decided to use a new technique in web design. He divided his accounts into 10 categories and kept records of the work outputs before and after using the new technique. The results are shown below. You wish to test the following hypothesis at the 10 percent level of significance. Ho: µD = 0 vs Ha: µD ‡0. Category Before After A B 9 9 10 9 с D E 8 9 F 7 6 8 8 7 10 G 5 9 10 | 10 10 J 11 11
A web developer has decided to use a new technique in web design. He divided his accounts into 10 categories and kept records of the work outputs before and after using the new technique. The results are shown below. You wish to test the following hypothesis at the 10 percent level of significance. Ho: µD = 0 vs Ha: µD ‡0. Category Before After A B 9 9 10 9 с D E 8 9 F 7 6 8 8 7 10 G 5 9 10 | 10 10 J 11 11
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Related questions
Question
What is the degrees of freedom?
A. 9
B. 10
C. 18
D. 20
Transcribed Image Text:A web developer has decided to use a new technique in web design. He divided his
accounts into 10 categories and kept records of the work outputs before and after using the
new technique. The results are shown below. You wish to test the following hypothesis at
the 10 percent level of significance.
Ho: µD = 0 vs Ha: µD 70.
Category
Before
After
B
9
9
10 9
A
C
8
9
ON
D
7
8
LU
E
6
7
F
8
10
CO
G
5
6 10
|
9 10 11
10 11
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