Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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 Using the data plotted on the scatterplot,
which is the best prediction for income in the year 2000? A. | 35,000 | C. | 50,000 | B. | 43,000 | D. | 57,000 |
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2.
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Which equation best represents the data shown in the
scatterplot?
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3.
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A delivery service company maintains several vehicles. The table summarizes the
cost for auto insurance related to the number of vehicles insured.
 Using the equation of a line of best fit for the data, which is the closest
estimate of the total cost of insuring eight vehicles? A. | $5,050 | B. | $5,200 | C. | $5,500 | D. | $5,950 |
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4.
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The table shows the life expectancy of a person related to the year of
birth.  Which equation would give the best estimate
of life expectancy, given the year of one’s birth?
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5.
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The table below gives the age x as of 2003 and the height y of
five Virginia lighthouses.
Lighthouse | Age
(yr) | Height (ft) | | Old Point Comfort | 201 | 54 | | Assateague | 170 | 145 | | New Point Comfort | 199 | 63 | | Cape Henry | 122 | 164 | | Old Cape Henry | 211 | 90 | | | |
Predict the height of a
lighthouse if its age in 2003 is 100 years. Round your answer to the nearest whole number. A. | 184 ft | C. | 212 ft | B. | 196 ft | D. | 347 ft |
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