Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The ideal weight (in stones) of people of varying heights is given in the table
below. Draw a scatter plot for the data. | Height (feet/inches) | 5 ft
0” | 5 ft 1” | 5 ft 2” | 5 ft 3” | 5 ft 4” | 5 ft
5” | | Weight (stones) | 9.1 | 9.5 | 9.8 | 10 | 10.4 | 10.8 | | | | | | | |
|  Height Graph
I | | |  Height Graph III | |  Height Graph II | |
|  Height Graph
IV | | | | | |
a. | Graph I | c. | Graph III | b. | Graph II | d. | Graph IV |
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2.
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The table below gives a record of variations of the values of y with the
values of x. Use the ordered pairs shown below to write a prediction equation. Use the
prediction equation to predict the missing value. x | 0.4 | 1.2 | 2.0 | 3.1 | 4.5 | 5.7 | 7.1 | 8.4 | 9.3 | 9.8 | y | 7.8 | 7.1 | 6.8 | 6.0 | 5.2 | 4.3 | 3.4 | 2.3 | 1.1 | ? | | | | | | | | | | | |
a. | y =  ; 1.2 | c. | y =  ;
2.0 | b. | y =  ; 1.2 | d. | y =  ;
2.5 |
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3.
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The table below shows the median selling price of houses in the early 1990s. Use
the ordered pairs shown below to write a prediction equation. Use the prediction equation to predict
the missing value. | Year | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | | Price ($ thousands) | 130 | 135 | 122 | 145 | 151 | 139 | 161 | ? | | | | | | | | | |
a. | y =  ; 161.01 | c. | y =  ;
36.19 | b. | y =  | d. | y =  ;
210 |
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4.
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The data below represents the relationship between the number of incidences of
UFO sightings in late 1930s and early 1940s. Use the ordered pairs shown below to write a prediction
equation. Use the prediction equation to predict the missing value. | Year of Incidence | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | Number of Incidences
(percent) | 0.9 | 0.8 | 0.8 | 1.3 | 1.4 | 1.2 | 1.7 | 1.8 | 1.6 | 1.5 | ? | | | | | | | | | | | | |
a. | y =  ; 1.808 | c. | y =  ;
1.07 | b. | y =  ; 0.97 | d. | y =  ;
1.40 |
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