AP Stats - Linear Regression MCQ Practice

Quiz
•
Mathematics
•
12th Grade
•
Hard
+5
Standards-aligned
Laura Kirschenbaum
Used 23+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0.48
0.65
1.32
1.90
2.63
Tags
CCSS.HSS.ID.C.7
CCSS.HSS.ID.C.8
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The relationship between selling price of a car (in $1,000) and its age (in years) is estimated from a random sample of cars of a specific model. The relationship is modeled with the following LSRL: (Selling Price - hat) = 24.2 - (1.182)(Age).
Which of the following statements can be concluded from this equation?
For every year the car gets older, the selling price drops by approximately $2420.
For every year the car gets older, the selling price goes down by approximately 11.82%.
On average, a new car costs about $11,820.
On average, a new car costs about $23,018.
For every year that the car gets older, the selling price drops by approximately $1,182.
Tags
CCSS.HSS.ID.C.7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
All but one of the statements is false. Which one COULD be true?
The correlation between a football player's weight and the position he plays is 0.54.
The correlation between a car's length and its fuel efficiency is 0.17 mpg.
There is a high correlation (1.09) between height of a corn stalk and its age in weeks.
The correlation between the amounts of fertilizer and quantity of beans harvested is 0.42.
There is a correlation of 0.63 between gender and political party affiliation.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
It is easy to measure circumference of a tree's trunk, but not so easy to measure its height. Foresters developed a model for ponderosa pines that they use to predict tree's height (in feet) from the circumference of its trunk (in inches):
ln (h-hat) = -1.2 + 1.4 (ln C)
A lumberjack finds a tree with a circumference of 60 inches. How tall does this model estimate the tree to be?
5 ft
11 ft
19 ft
83 ft
93 ft
Tags
CCSS.HSA.CED.A.4
CCSS.HSF.BF.B.5
CCSS.HSF.IF.A.2
CCSS.HSF.LE.A.4
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
cannot be determined without the data
is -0.70
is 0.2401
is 0.70
is 0.7599
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is a correct conclusion based on the residual plot displayed?
The line tends to overestimate the data.
The line tends to underestimates the data.
It is not appropriate to fit a line to these data since there is clearly no association.
The data are not related.
There is a non-linear relationship between the variables.
Tags
CCSS.HSS.ID.B.6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The National Directory of Magazines tracks the number of magazines published in the United States each year. An analysis of data from 1988 to 2007 gives the following computer output. The dates were recorded as years since 1988. Thus, the year 1988 was recorded as year 0. A residual plot (not shown) showed no pattern.
(a) What is the value of the slope of the least squares regression line?
13,549.90
325.39
2.731
0.1950
836.2
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