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Author Question: The July utility bills (in dollars) of 20 randomly selected homeowners in one city are listed below. ... (Read 189 times)

james9437

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on: Jan 16, 2020
The July utility bills (in dollars) of 20 randomly selected homeowners  in one city are listed below. Construct a 99% confidence interval for the variance, σ2. Assume the population is normally distributed.
70    72    71    70    69    73    69    68    70    71
67    71    70    74    69    68    71    71    71    72
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by james9437 on Jan 16, 2020

bpool94

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Reply #1 on: Jan 16, 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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james9437

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Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review

hollysheppard095

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Reply 3 on: Yesterday
Wow, this really help

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