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Author Question: A local consumer reporter wants to compare the average costs of grocery items purchased at three ... (Read 62 times)

luminitza

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on: Feb 14, 2020

Question 1

A local consumer reporter wants to compare the average costs of grocery items purchased at three different supermarkets, A, B, and C. Prices (in dollars) were recorded for a sample of 60 randomly selected grocery items at each of the three supermarkets. In order to reduce item-to-item variation, the prices were recorded for each item on the same day at each supermarket.



Identify the treatments for this experiment.
◦ the day on which the data were collected
◦ the 60 × 3 = 180 prices
◦ the three supermarkets
◦ the 60 grocery items

Question 2

A local consumer reporter wants to compare the average costs of grocery items purchased at three different supermarkets, A, B, and C. Prices (in dollars) were recorded for a sample of 60 randomly selected grocery items at each of the three supermarkets. In order to reduce item-to-item variation, the prices were recorded for each item on the same day at each supermarket.



Identify the dependent (response) variable for this experiment.
◦ the grocery items
◦ the supermarkets
◦ the prices of the grocery items
◦ the mean prices of the grocery items at each supermarket
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by luminitza on Feb 14, 2020

nguyenhoanhat

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Reply #1 on: Feb 14, 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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luminitza

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Reply 2 on: Feb 14, 2020
Gracias!

TheNamesImani

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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