1. Data on the number of beers consumed and the resulting blood alcohol content (BAC) for some persons weighing 160 lbs is given in the table below. BAC (%) Beers Consumed 0.05 0.08 0.10 0.11 0.13 0.14 3 3 6 5 6 7 (a) Which variable is which? Fill in the blanks appropriately. Response (Y) Predictor (X) (b) Enter the data in your calculator and fit the regression line, then select the correct answer option on the next page.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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1. Data on the number of beers consumed and the resulting blood alcohol content (BAC) for some
persons weighing 160 lbs is given in the table below.
BAC (%) Beers Consumed
0.05
0.08
0.10
0.11
0.13
0.14
0.09
0.14
0.06
0.11
0.07
0.15
3
3
6
5
6
7
5
6
3
6
4
7
(a) Which variable is which? Fill in the blanks appropriately.
Response (Y)
Predictor (X)
(b) Enter the data in your calculator and fit the regression line, then
select the correct answer option on the next page.
(c) Fill in the blanks appropriately.
Slope, with units
Y-intercept, with units
Line of best fit
r=
'
R²:
%
Centroid
Average of all predicted y-values
(d) If a person who weighs 160 lbs consumes 4½ beers, what can we expect their BAC to be? Assume
that the regression line fits the data well.
Transcribed Image Text:1. Data on the number of beers consumed and the resulting blood alcohol content (BAC) for some persons weighing 160 lbs is given in the table below. BAC (%) Beers Consumed 0.05 0.08 0.10 0.11 0.13 0.14 0.09 0.14 0.06 0.11 0.07 0.15 3 3 6 5 6 7 5 6 3 6 4 7 (a) Which variable is which? Fill in the blanks appropriately. Response (Y) Predictor (X) (b) Enter the data in your calculator and fit the regression line, then select the correct answer option on the next page. (c) Fill in the blanks appropriately. Slope, with units Y-intercept, with units Line of best fit r= ' R²: % Centroid Average of all predicted y-values (d) If a person who weighs 160 lbs consumes 4½ beers, what can we expect their BAC to be? Assume that the regression line fits the data well.
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