Review
Statistics
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
1) How many tickets were sold in all?
1)
A new car dealership has taken an inventory of the vehicles it has in stock. Below is a histogram indicating the number
of vehicles in stock in certain price ranges. Use the histogram to answer the question.
Solve.
2) How many vehicles does the dealership have in stock that are priced at under $14,000?
2)
3) The following test scores were recorded for a student: 82, 77, 75, 71, 77, 63, 73. Find the
mean test score.
3)
1
The following comparison line graph indicates the number of vehicles sold for a seven week period by two different
salespeople. Use the graph to answer the question.
4) During what weeks did Chris sell more vehicles than Pat?
4)
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
5) At what time was the temperature the highest?
5)
2
The circle graph shows the results of the student council presidential election. The complete circular area represents
100% of the votes.
6)
6)
Student Council President
Jim
29%
Gina
25%
Ben
26%
Ted
20%
400 total votes
The circle graph shows what percent of the vote each person received.
If 400 total votes were cast, how many people voted for someone other than Ben?
Find the median. Round to the nearest tenth when necessary.
7) The numbers of minutes Maria spent looking on the internet for gifts for her family during
the last six days are as follows: 1, 15, 22, 28, 36, 50
7)
The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer
the question.
8) How much money in total is allotted each month for rent and transportation?
3
8)
The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two different
years. Use the graph to answer the question.
9) What was the revenue for the fourth quarter of 2009?
9)
Find the mean. Round to the nearest tenth when necessary.
10) The numbers of points Dee scored playing basketball over the last four games were as
follows: 20, 1, 28, 20
10)
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
11) During which hour did the temperature increase the most?
Find the mode.
12) 377, 350, 332, 350, 329, 377
A) The mode is 377.
C) The mode is 350.
B) The mode is 352.5.
D) The two modes are 377 and 350.
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11)
12)
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
13) During which week were 19 tickets sold?
13)
Find the mean. Round to the nearest tenth when necessary.
14) The numbers of miles John ran over the last six days were as follows: 5, 5, 9, 4, 13, 9
14)
The following circle graph displays Chris and Mary Smith's monthly $2900 family budget. Use the circle graph to answer
the question.
15) What is the ratio of money spent on food to the total amount of the monthly budget?
5
15)
Find the mode.
16) 20, 36, 46, 36, 49, 36, 49
16)
Find the median. Round to the nearest tenth when necessary.
17) 825, 882, 891, 831, 856
17)
18) The numbers of vehicles passing though a toll booth in one hour for seven consecutive
hours are as follows: 3, 8, 11, 25, 35, 42, 46
18)
The circle graph shows the results of the student council presidential election. The complete circular area represents
100% of the votes.
19)
19)
Student Council President
Ted
30%
Jim
24%
Gina
28%
Lili
18%
600 total votes
The circle graph shows what percent of the vote each person received.
How many votes did Ted get?
20)
20)
Student Council President
Ted
32%
Ben
25%
Ming
27%
Lili
16%
300 total votes
The circle graph shows what percent of the vote each person received.
What percent of the votes did Ming get?
Find the mean. Round to the nearest tenth when necessary.
21) The weights in pounds of the five books in Lynn's backpack are as follows: 2.6, 2.5, 1.3, 1.7,
1.4
6
21)
Answer Key
Testname: STATISTICS
1) 205 tickets
2) 5 vehicles
3) 74
4) Weeks 1, 2, 3, 4
5) 1 p.m.
6) 296
7) Median = 25 minutes
8) $1750
9) $55,000,000
10) Mean = 17.3 points
11) 10 a.m. to 11 a.m.
12) D
13) Week 6
14) Mean = 7.5 miles
4
15)
29
16) The mode is 36.
17) Median = 856
18) Median = 25 vehicles
19) 180
20) 27%
21) Mean = 1.9 pounds
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