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Author Question: A data set has 50 observations and has mean 55 and standard deviation 10. Approximately how many ... (Read 122 times)

Awilson837

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on: Apr 7, 2020

Question 1

A data set has mean 14 and standard deviation 2. Approximately 95% of the observations lie between ____ and ____ .
◦ 10, 18
◦ 10, 20
◦ 8, 20
◦ 12, 16

Question 2

A data set has 50 observations and has mean 55 and standard deviation 10. Approximately how many observations lie between 25 and 85?
◦ 34
◦ 35
◦ 48
◦ 50
Introductory Statistics ¦ Weiss ¦ 10th Edition
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Marked as best answer by Awilson837 on Apr 7, 2020

nyrave

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Reply #1 on: Apr 7, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Awilson837

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Reply 2 on: Apr 7, 2020
Wow, this really help

gcook

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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