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Author Question: Retail price data for n = 60 hard disk drives were recently reported in a computer magazine. Three ... (Read 102 times)

arivle123

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on: Feb 14, 2020
Retail price data for n = 60 hard disk drives were recently reported in a computer magazine.  Three variables were recorded for each hard disk drive:

y   = Retail PRICE (measured in dollars)
x1 = Microprocessor SPEED (measured in megahertz)
               (Values in sample range from 10 to 40)
x2 = CHIP size (measured in computer processing units)
               (Values in sample range from 286 to 486)

A first-order regression model was fit to the data. Part of the printout follows:


Parameter Estimates



Identify and interpret the estimate for the SPEED β-coefficient,  1.
◦ 1 = 3.57; For every $1 increase in PRICE, we estimate SPPED to increase by about 4 megahertz, holding CHIP fixed.
◦ 1 = 3.57; For every 1-megahertz increase in SPEED, we estimate PRICE to increase $3,57, holding CHIP fixed.
◦ 1 = 105; For every $1 increase in PRICE, we estimate SPEED to increase 105 megahertz, holding CHIP fixed.
◦ 1 = 105; For every 1-megahertz increase in SPEED, we estimate PRICE (y) to increase $105, holding CHIP fixed.
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by arivle123 on Feb 14, 2020

choc0chan

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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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arivle123

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Reply 2 on: Feb 14, 2020
Thanks for the timely response, appreciate it

chereeb

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

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