Mathematics

1. Alan tossed a die 50 times and obtained the results shown in the dot plot below. How many times did he roll an even number? A. 17 B. 19 C. 25 D. 21
2. The stem-and-leaf plot below shows the weights in pounds of halibut caught on an Alaskan fishing boat for one day. The stem-and-leaf plot below shows the weights in pounds of halibut caught on an Alaskan fishing boat for one day.
2| 9
3| 12
3| 67788
4| 0233
4| 5567
5| 124
5|
6| 0
List all of the original weights.
A. 29, 31, 36, 37, 38, 40, 42, 43, 46, 47, 51, 52, 54, 60
B. 29, 31, 32, 36, 37, 38, 38, 40, 42, 43, 46, 47, 51, 54, 60
C. 29, 31, 32, 36, 37, 38, 40, 42, 43, 45, 46, 47, 51, 52, 54, 60
D. 29,31,32,36,37,37,38,38,40,42,43,43,45,45,46,47,51,52,54,60
3. The stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the U.S. that occurred in three ethnic groups in 2003.
In which geographic area did Hispanics account for their lowest percentage of cancer deaths in 2003? A. Northeast B. Midwest C. South D. West
4. The data below are the numbers of hours of homework done as reported by 24 high school juniors for the last week in September, 2006. 6, 5, 6, 4, 6, 6, 9, 7, 6, 3, 8, 5, 5, 8, 6, 5, 8, 6, 5, 7, 5, 8, 7, 4 Using bins of 2 hours width, which relative frequency histogram represents the data?
A.
B.
C.
5. A machine is supposed to fill juice bottles with 16 fluid ounces of juice. The manufacturer picks a sample of bottles that have been filled by the machine and determines the volume of juice in each bottle. The results are shown in the stem–and–leaf diagram below. The leaf unit is 0.1.
How many bottles had exactly 16 fluid ounces (to the nearest 0.1 ounce)?
A. 0
B. 6
C. 11
D. 25
6. Find the original data from the stem–and–leaf plot.
A. 11, 18, 23, 23, 27, 33, 34, 38, 39, 43, 44
B. 2, 9, 2, 2, 4, 8, 4, 4, 6, 11, 12, 7, 8, 12
C. 13, 13, 14, 21, 21, 23, 27, 31, 31, 43, 44
D. 11, 18, 21, 21, 23, 27, 31, 33, 33, 38, 39, 43, 44
7. Identify the class that had the lowest percentage increase in 2.5 or better GPA’s between the fourth and fifth decades.
A. Sr
B. Jr
C. So
D. Fr
8. The stacked bar chart below shows the percentages of death due to cancer in four geographic regions of the U.S. that occurred in three ethnic groups in 2003.
In which geographic area did Hispanics account for their highest percentage of cancer deaths in 2003?
A. Northeast
B. Midwest
C. South
D. West
9. The stem-and-leaf plot below shows the weights in pounds of halibut caught on an Alaskan fishing boat for one day.
How many values are there less than 40?
A. 6
B. 8
C. 9
D. 5

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