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Author Question: The following sample information is given concerning the ACT scores of high school seniors form two ... (Read 53 times)

heyheyhey

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on: Mar 25, 2023

Question 1

The following information was obtained from matched samples regarding the productivity of four individuals using two different methods of production.

Individual

Method 1

Method 2

1

6

8

2

9

5

3

7

6

4

7

5

5

8

6

6

9

5

7

6

3


Let d = Method 1 - Method 2. Is there a significant difference between the productivity of the two methods? Let α = 0.05.



Question 2

The following sample information is given concerning the ACT scores of high school seniors form two local schools.

School A

School B

= 14

=15

= 25

= 23

= 16

= 10


Develop a 95% confidence interval estimate for the difference between the two populations.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by heyheyhey on Mar 25, 2023

spicyzack

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Reply #1 on: Mar 25, 2023
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heyheyhey

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

strudel15

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Reply 3 on: Yesterday
Wow, this really help

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