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Author Question: The data in the table represent the amount of pressure (psi) exerted by a stamping machine (x), and ... (Read 44 times)

nummyann

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on: Apr 14, 2020

Question 1

For the following scatterplot, what effect would the outlier have on the slope of the regression equation?
Explain your reasoning.


Question 2

The data in the table represent the amount of pressure (psi) exerted by a stamping machine (x), and the amount of scrap brass shavings (in pounds) that are collected from the machine each hour (y). Also shown below are the outputs from two different statistical technologies (TI-83/84 Calculator and Excel). A scatterplot of the data confirms that there is a linear association. Report the equation for predicting scrap brass shavings using words such as scrap, not x and y. State the slope and intercept of the prediction equation. Round all calculations to the nearest thousandth.

◦ scrap = 2.134 - 2.019(pressure); slope = 2.134 and the intercept is -2.019.
◦ scrap = -2.019 + 2.134(pressure); slope = -2.019 and the intercept is 2.134.
◦ scrap = 2.134 - 2.019(pressure); slope = -2.019 and the intercept is 2.134.
◦ scrap = -2.019 + 2.134(pressure); slope = 2.134 and the intercept is -2.019.
Introductory Statistics: Exploring the World Through Data ¦ Gould, Ryan ¦ 2nd Edition
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Marked as best answer by nummyann on Apr 14, 2020

meganlapinski

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Reply #1 on: Apr 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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nummyann

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Reply 2 on: Apr 14, 2020
:D TYSM

31809pancho

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

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