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Find the mean, median, mode(s), and range of the data.
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1.
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16, 22, 14, 12, 20, 19, 14, 11
a. | mean: 16
median: 15
mode: 14
range: 11 | b. | mean: 16
median:
16
mode: 14
range: 5 | c. | mean: 16
median: 14
mode:15
range:
11 | d. | mean: 16
median: 16
mode: 14
range: 11 |
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2.
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81, 68, 75, 62, 67, 81, 56
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3.
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Find five numbers with a mean of 12, a median of 11, a mode of 9, and a range of
9.
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4.
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Terry recorded the weights of the first ten fish he caught and released at Hag
Lake this season. The weights were 9 pounds, 6 pounds, 11 pounds, 6 pounds, 7 pounds, 5 pounds, 8
pounds, 6 pounds, 23 pounds, and 6 pounds.
a. Find the mean, median, and mode.
b. Terry wants
to predict how big the next fish he catches will be. Which measure is most useful for describing the
data?
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5.
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Braxton had 8 bags of freshly ground wheat flour for the Farmer's Market.
He weighed the bags and found their weights (in pounds) to be 6, 5, 5, 5, 8, 5, 10, and 4. Find the
mean, median, mode and range of the weights.
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6.
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The mean age of the members of a baseball team is 28, the median age is 24, and
the ages range from 20 to 45.
Which of the following statements is best supported by the
data?
a. | More than half of the players are older than 28. | b. | Half of the players
are 24 or younger. | c. | Half of the players are 28 or
older. | d. | The mode of the data is less than 28. |
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7.
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Mr. Frank's class and Mr. Walter's class wanted to find which class
spends the most amount of time on homework. They kept a record of their hours for four
weeks.  During the four weeks, which class completed more
hours of homework? a. | they are the same | b. | cannot tell from information
given | c. | Mr. Frank's class | d. | Mr. Walter's
class |
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8.
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The line graph shows Amy's pulse rate during 10 minutes of
cycling.  What was Amy's pulse rate at 4 minutes? a. | 90 pulses per min | b. | 105 pulses per min | c. | 80 pulses per
min | d. | 100 pulses per min |
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9.
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The graph below shows sales (in millions of dollars) for the XYZ
Corporation.  How much greater were sales in 2000 than in
1998?
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10.
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The double line graph below compares rainfall in Washington and Oregon during
the first 10 days of March 1993. Use the graph to determine the day of highest rainfall in
Washington. 
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11.
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Use the double bar graph showing club memberships at a middle
school.  a. About how many 7th-grade students belong to the
drama club? b. In what club is the difference between the numbers of 7th- and 8th-grade students
the greatest? the least?
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12.
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The line graph shows a computer software store's sales record for four
months.  a. How much more money was spent in July than in
April? b. How much money was spent in May?
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13.
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Chris is mixing bird seed. If Chris has 3 pounds of sunflower seeds, how many
pounds of millet should he add, according to the graph below?  a. | 9 pounds | b. | 3 pounds | c. | 12
pounds | d. | 4 pounds |
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14.
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a. | 51, 61, 81, 12, 52, 62, 13, 93 | b. | 15, 16, 18, 21, 25, 26, 31,
39 | c. | 5, 6, 8, 1, 5, 6, 1, 9 | d. | 15, 16, 18, 12, 52, 62, 13,
93 |
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15.
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Which data set represents the stem-and-leaf plot below? 
 a. | 123, 126, 128, 130, 132, 136, 151, 154 | b. | 42, 72, 92, 33, 73, 103, 25, 35,
55 | c. | 123, 126, 128, 132, 136, 139, 151, 152, 154 | d. | 30, 60, 80, 20, 60,
90, 10, 20, 10, 40 |
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16.
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What stems would be used to make a stem-and-leaf plot of the following set of
data?
83, 31, 24, 8, 88, 31, 8
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17.
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The stem-and-leaf plot below shows the number of calendars each student sold to
raise money for the school band. How many students sold more than 7 calendars? Number of Calendars
Sold  Key: 1 | 0 = 10
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18.
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The stem-and-leaf plot shows the number of toys collected by various schools for
a children's center. What is the greatest number of toys collected? Number of Toys
Collected  Key: 1 | 0 = 10
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19.
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The stem-and-leaf plot shows the number of hours per semester that students in a
certain school club watch television. What is the fewest number of hours that were watched?  
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