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Math 181: Test for Chapter 8
This test may be taken with a calculator and any number of hand-written notes. Computers or books and other printed material, be they copies, printouts, or typed, are not allowed.
Place your answer in space provide for each question.
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1.
which of the following?
a Nominal measurement
an Ordinal measurement
an Interval measurement
a Ratio measurement
none of the above
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2.
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3.
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4.
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5.
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6.
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7.
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8.
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9.
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10.
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11.
Determine the
mode
family income in the table above.
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12.
Determine the
median
family income in the table above.
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13.
What is the
total
annual income of all the families reported in the table above.
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14.
What is the
mean
family income in the table above. Write your answers rounded to the nearest penny.
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15.
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16.
Determine the
mode
of the data.
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17.
Determine the
median
of the data.
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18.
Determine the
mean
of the data. Write your answers rounded to 4 decimal places.
Use the following table of ratio measurements to answer questions 19 through 24 on this test.
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19.
Determine the
mean
of the data. Write your answers rounded to 4 decimal places.
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20.
Determine the
median
of the data.
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21.
Determine the
mode
of the data.
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22.
Determine the
range
of the data.
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23.
Determine the
1
st
and
3
rd
quartile values of the data.
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24.
Determine the
standard deviation
of the data, assuming the data represents a population, not a sample. Write your answers rounded to 4 decimal places.
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25.
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©Roger M. Palay Saline, MI 48176 December, 2010