Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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What type of relationship exists between x and y in the scatter
plot below?  a. | no relationship | c. | positive relationship | b. | negative
relationship | d. | none of
these |
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2.
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Which scatter plot shows a positive relationship?
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3.
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The table shows the foreign and total assets of international companies. Draw a
scatter plot to represent the relationship between the foreign assets and total assets of the
companies. Is there a relationship between a company’s foreign assets and total
assets? Company | Country | Foreign Assets
($ billions) | Total Assets
($ billions) | A | Netherlands
/ UK | 69 | 100 | B | Britain | 19 | 28 | C | United States | 44 | 81 | D | Japan | 23 | 77 | E | Mexico | 4 | 8 | F | United States | 23 | 41 | G | Switzerland | 25 | 31 | H | United
States | 47 | 84 | I | France | 22 | 46 | | | | |
a. | negative relationship | c. | no relationship | b. | positive relationship | d. | weak
relationship |
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4.
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The table shows the housing affordability of cities in the United States and
their latitude. Affordability is the percentage of homes sold that were within reach of the median
income household. Draw a scatter plot to represent the relationship between affordability and each
city’s latitude. Is there a relationship between latitude and affordability? City | Affordability | North
Latitude | | Lima, Ohio | 86% | 41° | | Laredo,
Texas | 30% | 27° | | Portland,
Oregon | 36.5% | 46° | | Baton Rouge,
Louisiana | 85% | 31° | | San Francisco,
California | 21% | 37° | | Melbourne,
Florida | 83% | 28° | | New York, New
York | 35% | 41° | | Kansas City,
Missouri | 83% | 38° | | | |
a. | no relationship | c. | negative relationship | b. | positive
relationship | d. | weak
relationship |
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5.
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Which scatter plot shows the relationship between money earned and hours worked
if a worker earns an hourly wage?
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6.
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What kind of relationship would you expect from the ordered pair
(student’s IQ, student’s college GPA)?
a. | positive relationship | c. | no relationship | b. | negative relationship | d. | undefined
relationship |
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7.
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When an equation for the relation shown in the chart is solved for y, the
coefficient of x is
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8.
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If a scatter plot of y versus x has a positive correlation, then
a. | as y decreases, x increases | c. | as y increases, x
decreases | b. | as y decreases, x decreases | d. | both A and C are true |
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Short Answer
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9.
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Describe the type of relationship shown in the scatter plot below. 
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10.
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Draw a scatter plot using the points (1, 4), (5, 11), (3, 7), (4, 9), (1, 3),
(2, 5), (6, 10), and (4, 6). Tell whether the scatter plot shows a positive, negative, or no
relationship.
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11.
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The table shows the housing affordability of cities in the United States and
their latitude. Affordability is the percentage of homes sold that were within reach of the median
income household. Draw a scatter plot to represent the relationship between affordability and each
city’s latitude. Is there a relationship between affordability and latitude? City | Affordability | North
Latitude | | Jackson, Mississippi | 81% | 33° | | Champaign,
Illinois | 83% | 40° | | Binghampton, New
York | 82% | 42° | | El Paso,
Texas | 37% | 32° | | Provo,
Utah | 38% | 41° | | Albuquerque, New
Mexico | 42% | 35° | | New Bedford,
Mass. | 45% | 42° | | | |
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12.
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The table shows the foreign and total assets of international companies. Draw a
scatter plot to represent the relationship between the foreign assets and total assets of the
companies. Is there a relationship between a company’s foreign assets and total
assets? Company | Country | Foreign Assets
($ billions) | Total Assets
($
billions) | | LG Electronics | Korea | 0.5 | 7.7 | | Souza Cruz | Brazil | 0.8 | 1.0 | | Dong Ah Construction | Korea | 0.7 | 2.9 | | Grupo Televiso | Mexico | 0.9 | 3.4 | | Genting Berhard | Malaysiz | 0.8 | 1.5 | | Keppel | Singapore | 0.6 | 6.9 | | Tatung | Taiwan | 0.7 | 3.8 | | | | |
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13.
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The scores received on a pretest and posttest for 10 students in an algebra
class are listed below as ordered pairs. Make a scatter plot of the data. What relationship do you
observe in the data? (93, 92) (47, 52) (27, 29) (73, 64)
(40, 38) (48, 80) (63, 70) (32, 35) (51, 65)
(85, 87)
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14.
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What type of relationship, positive, negative, or none, is shown by the scatter
plot? 
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