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Author Question: Exhibit 5-6A sample of 2,500 people was asked how many cups of coffee they drink in the morning. You ... (Read 88 times)

wqwpfwpoefnpwenf

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on: Mar 25, 2023

Question 1

Exhibit 5-6
A sample of 2,500 people was asked how many cups of coffee they drink in the morning. You are given the following sample information.

 

Cups of Coffee

Frequency

0

700

1

900

2

600

3

300

 

2,500


Refer to Exhibit 5-6. The expected number of cups of coffee is


◦

1


◦

1.2


◦

1.5


◦

1.7



Question 2

Exhibit 5-6
A sample of 2,500 people was asked how many cups of coffee they drink in the morning. You are given the following sample information.

 

Cups of Coffee

Frequency

0

700

1

900

2

600

3

300

 

2,500


Refer to Exhibit 5-6. The variance of the number of cups of coffee is


◦

.96


◦

.9798


◦

1


◦

2.4

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

miro2222

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Reply #1 on: Mar 25, 2023
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wqwpfwpoefnpwenf

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

bassamabas

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Reply 3 on: Yesterday
Wow, this really help

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