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Author Question: The gas mileages (in miles per gallon, mpg) and weights (in pounds) were recorded for six makes of ... (Read 115 times)

aabwk4

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on: Jul 24, 2018
The gas mileages (in miles per gallon, mpg) and weights (in pounds) were recorded for six makes of cars. The values had a correlation of 0.542, indicating that gas mileage decreases with increasing car weight. Describe how you would use a randomization test to estimate a p-value for the correlation value. ANSWERS MAY VARY. SAMPLE

Question 2

For a computer simulation, a frequency plot of the outcomes is called a ___________________ _____ distribution.
 Fill in the blank(s) with correct word


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peter

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

USE A COMPUTER TO COMPUTE THE CORRELATION FOR ALL PERMUTATIONS OF CAR WEIGHTS AND GAS MILEAGES. PLOT THE CORRELATIONS AS A RANDOMIZATION DISTRIBUTION. THE P-VALUE IS THE PROPORTION OF THE PERMUTATIONS THAT HAVE AN ABSOLUTE CORRELATION OF 0.542 OR GREATER.

Answer to Question 2

RANDOMZATION


aabwk4

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Reply #2 on: Jul 24, 2018
TY


peter

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Reply #3 on: Jul 24, 2018
You're welcome


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