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Author Question: A study was recently performed by the Internal Revenue Service to determine how much tip income ... (Read 88 times)

bobbysung

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on: Jun 24, 2018
A study was recently performed by the Internal Revenue Service to determine how much tip income waiters and waitresses should make based on the size of the bill at each table. A random sample of bills and resulting tips were collected.
 
  These data are shown as follows:
 
  Total Bill Tip
  126 19
  58 11
  86 20
  20 3
  59 14
  120 30
  14 2
  17 4
  26 2
  74 16
 
  Based upon these data, what is the approximate predicted value for tips if the total bill is 100?
  A) 15.55
  B) 20.61
  C) 26.03
  D) 12.88

Question 2

The following model:y = 0 + 1x1 + 2x2 + 3x1x2 +
 
  A) is a linear model with interaction.
  B) is a second order polynomial model.
  C) is a composite model.
  D) is a convex model.


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cloud

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


bobbysung

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  • Posts: 519
Reply 2 on: Jun 24, 2018
Excellent

okolip

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Reply 3 on: Yesterday
:D TYSM

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