Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The scatter plot below shows the amount of weight towed by a vehicle and its
average miles per gallon.  How many pounds does the vehicle that gets 25
miles per gallon tow? How many miles per gallon does the vehicle that tows 3500 pounds
get? What tends to happen as the weight towed by a vehicle increases? a. | 2500 pounds; 15 mi/gal; As the weight towed by the vehicle increases, the
miles per gallon increases. | b. | 2000 pounds; 20 mi/gal; As the weight
towed by the vehicle increases, the miles per gallon increases. | c. | 2500 pounds;
15 mi/gal; As the weight towed by the vehicle increases, the miles per gallon
decreases. | d. | 2000 pounds; 20 mi/gal; As the weight towed by the vehicle increases, the
miles per gallon decreases. |
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2.
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The scatter plot below shows the amount of weight towed by a vehicle and its
average miles per gallon.  How many pounds does the vehicle that gets 35
miles per gallon tow? How many miles per gallon does the vehicle that tows 3000 pounds
get? What tends to happen as the miles per gallon of a vehicle increases? a. | 1000 pounds; 25 mi/gal; As the miles per gallon of the vehicle increases,
the weight decreases. | b. | 1000 pounds; 25 mi/gal; As the miles
per gallon of the vehicle increases, the weight increases. | c. | 1500 pounds;
20 mi/gal; As the miles per gallon of the vehicle increases, the weight
decreases. | d. | 1500 pounds; 20 mi/gal; As the miles per gallon of the vehicle increases,
the weight increases. |
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3.
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Describe the relationship between the data. Identify any outliers, gaps, or
clusters.  a. | The scatter plot shows a nonlinear relationship with a gap in the data from  | b. | The scatter plot shows a negative linear relationship with a gap in the data from
 | c. | The scatter plot shows a negative linear relationship with a cluster below  | d. | The scatter plot shows a negative linear relationship with an outlier at  |
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4.
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The table shows the number of cats and the number of mice found in a
barn. Cats, x | 2 | 1 | 4 | 5 | 9 | 7 | 6 | 8 | 2 | 3 | 9 | 5 | 7 | 3 | 6 | Mice, y | 54 | 59 | 47 | 32 | 5 | 18 | 29 | 15 | 59 | 50 | 10 | 34 | 16 | 51 | 29 | | | | | | | | | | | | | | | | |
Make a scatter plot of the data and draw a line of fit. Write an
equation of the line of fit.
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5.
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Find and interpret the marginal frequencies. | | | Movie Rating | | | | PG | PG-13 | Age | Under 18 | 76 | 38 | 18 or Older | 32 | 83 | | | | |
a. | 114 people watched a movie rated PG, 115 people watched a movie rated PG-13,
108 people were under 18, 121 people were 18 or older. | b. | 108 people
watched a movie rated PG, 121 people watched a movie rated PG-13, 114 people were under 18,
115 people were 18 or older. | c. | 114 people 18 or older watched a movie
rated PG, 115 people under 18 watched a movie rated PG-13. | d. | 108 people 18
or older watched a movie rated PG, 121 people under 18 watched a movie rated
PG-13. |
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6.
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Choose an appropriate data display for the situation. Explain your
reasoning.
the number of different flavors of chicken wings sold
a. | bar graph; shows frequencies of data values in intervals of the same
size | b. | bar graph; shows data in specific categories | c. | line graph; shows
data in specific categories | d. | line graph; shows changes over time
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Other
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7.
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Extended Response The table shows the amount of bird seed that must
be placed into the bird feeder in order to satisfy the number of birds that come to eat. | Number of Birds,
x | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | | Bird Seed (ounces), y | 16 | 28 | 38 | 44 | 64 | 68 | 89 | 91 | | | | | | | | | |
a. Graph the data in the table and draw a line of
fit. b. Write an equation of the line of fit. c. Predict how much bird
seed would be needed if 20 birds came. d. Does the line
of fit seem to be accurate? Explain your reasoning.
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