The typical amount of error in predicting from the linear regression line is represented by the .
a. standard deviation for the Y variable
b. coefficient of determination
c. standard error of estimate
d. slope of the regression equation
Question 2
In one city, police estimate that 78 of drivers wear their seatbelts. They set up a safety roadblock and they stop drivers to check for seatbelt use.
If 160 drivers are stopped, what's the probability they find fewer than 130 wearing their seatbelts?
A) 0.8621 B) 0.8159 C) 0.1379 D) 0.1841
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