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Author Question: Sales from a chain of computer stores are normally distributed, with an average monthly sales volume ... (Read 27 times)

903f23fj0

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on: Feb 26, 2023
Sales from a chain of computer stores are normally distributed, with an average monthly sales volume of $280,560. Estimating the amount of monthly variability in sales is of interest to help anticipate normal income fluctuations. A random sample of 8 months’ sales data yields a standard deviation of $10,423. What is a 98% confidence interval for the standard deviation of monthly sales volume?

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($172,694.71, $666,866.84)


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($6152.47, $21,491.21)


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($6123.96, $27,725.40)


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($6415.73, $24,774.57)

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Marked as best answer by 903f23fj0 on Feb 26, 2023

Karla347

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Reply #1 on: Feb 26, 2023
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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903f23fj0

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Reply 2 on: Feb 26, 2023
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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