Test - Unit 9 Review 1. Shown below is the Rogers' family monthly budget plan with allocations for expenses.

3. The table below shows Davon’s budget last month.

About what percent of Davon’s monthly budget was spent on insurance? A. 12% B. 13% C. 8% D. 1.18%

Approximately what percent of the Rogers' family budget has been allocated to entertainment?

4. The high school grade point averages (GPAs) of 10 recent graduates are shown below. All of these graduates applied for the same job, but only 3 were hired.

A. 200% B. 40% C. 20% D. 4% 2. Jessica earns $800 each month working a part-time job. She wants to save a total of $2,400 for college over a one-year period. What percentage of Jessica's total monthly budget should go to her college savings to meet her goal? F. G. H. 25% J. 4%

Based on the information in the table, which statement is true? F. All applicants with a GPA of 3.30 or lower were not hired. G. All applicants with a GPA of 3.00 or higher were hired. H. The median GPA of all applicants was greater than the mean GPA of all applicants. J. Each applicant who was hired had a GPA above the median GPA of all applicants.

Test - Unit 9 Review 5. Shelby and Hanna each have a bag of 20 colored marbles. The sisters each draw from their bag 20 times without looking, replacing the marble after each draw. The results are recorded in the table below.

7 The graph below shows the numbers . and types of coins Reina and Devin have saved.

What conclusion can be made about drawing marbles from these bags? A. Hanna is half as likely to draw a purple than Shelby. B. Shelby is twice as likely to draw an orange than Hanna. C. Shelby is 10% more likely to draw a pink than Hanna.

Which statement is best supported by the information in the graph?

D. Both girls have an 80% chance of drawing a pink and an orange.

A. The combined value of all the coins Reina has saved is less than $10.

6. A recent survey was taken to see what instruments are played by boys and girls in the Central Middle School Band. The results are shown in the graphs below.

B. The value of the dimes Reina has saved is greater than the value of the nickels Devin has saved. C. The combined value of all the coins Devin has saved is less than $25. D. The value of the quarters Devin has saved is twice the value of the quarters Reina has saved.

Based on the results, which statement is correct? F. The trumpet is played by 25 boys. G. The number of boys who play the tuba are the same as the sum of the number of girls who play the tuba and the clarinet. H. Fewer boys play the flute than girls. J. Half of all the students play the flute.

Test - Unit 9 Review 8. The two dot plots compared below represent Camille's and Faith's number of babysitting hours worked in a month.

A. 0 hours B. 2 hours C. 3.5 hours D. 4 hours 10. Ashley asked her friends to weigh their cats and dogs at home. She displayed the results in the box plots shown below.

Which of the following statements supports the most appropriate measure of center for the given scenario? F. The mean because both data sets are symmetric. G. The median because neither set of data are symmetric. H. The median because one set of data is symmetric. J. The mean because one set of data is symmetric. 9. The two dot plots below compare the number of babysitting hours worked between two friends.

Which statement is supported by the data in the two box plots? F. The median of the cats’ weights is greater than the median of the dogs’ weights. G. The range of the cats’ weights is the same as the range of the dogs’ weights. H. The interquartile range of the cats’ weights is greater than the interquartile range of the dogs’ weights. J. The minimum value of the cats’ weights is the same as the minimum value of the dogs’ weights.

What is the difference in the IQR between Camille's and Faith's hours worked?

Test - Unit 9 Review 11. Ted created a graph to show the percentage of time he spends on different activities during a school day.

F.

H.

G.

Ted concluded from the graph that he spends about 48 hours at school and doing home work during a five-day school week. Which statement about Ted’s conclusion is true? A. Ted’s conclusion is invalid because of 120 is 30.

J.

13. Mr. Brown planted a vegetable garden. The circle graph shows the kinds of vegetables he planted and the percentage of the area of the garden each kind of vegetable occupied.

B. Ted’s conclusion is invalid because 40% of 24 is 9.6. C. Ted’s conclusion is valid because 40% of 120 is 48. D. Ted’s conclusion is valid because of 192 is 48. 12. There are 80 pieces of furniture for sale at a store. Of these pieces of furniture, 20 are desks and 10 are benches. The rest are chairs and tables. The ratio of the number of chairs to the number of tables is 3 to 2. Which circle graph best represents the pieces of furniture for sale at the store?

Mr. Brown’s garden has an area of 160 square feet. How many square feet of Mr. Brown’s garden is occupied by cabbage? A. 136 ft2 B. 24 ft2 C. 15 ft2 D. 145 ft2