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1. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80? |
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A. |
93 |
B. |
97 |
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C. |
80 |
D. |
100 |
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Hint |
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2. |
The median is the _________ of a set of numbers. |
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A. |
highest number |
B. |
most frequent |
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C. |
middle number |
D. |
average |
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Hint |
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3. |
If the number 178,651 is rounded to 179,000 and plotted on a stem-and-leaf plot as 17|9, how would you display 151,205? |
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A. |
151|2 |
B. |
1|51 |
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C. |
15|1 |
D. |
15|2 |
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Hint |
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4. |
What percent of the data is between 62 and 90 for Exam B? |
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A. |
75% |
B. |
50% |
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C. |
25% |
D. |
100% |
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Hint |
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5. |
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the fourth quarter? |
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A. |
15 |
B. |
48 |
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C. |
60 |
D. |
27 |
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Hint |
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6. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many more students said they have 4 family members in their household than 5? |
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A. |
10 |
B. |
5 |
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C. |
15 |
D. |
20 |
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Hint |
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7. |
What is implied when it is said that x and y have a positive correlation? |
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A. |
When the value of x increases, the value of y increases. |
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B. |
When the value of x increases, the value of y decreases. |
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C. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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D. |
When the value of x decreases, the value of y does not necessarily increase or decrease. |
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Hint |
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8. |
Which relationship would most likely have no correlation? |
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A. |
The number of pizzas ordered, and the total price of the bill. |
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B. |
A person's age, and the address of the person. |
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C. |
A person's height and the person's shoe size. |
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D. |
The number of miles driven, and the number of gallons of gas in the car. |
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Hint |
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9. |
Based on the data, how many students scored a B or better? |
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A. |
13 |
B. |
4 |
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C. |
9 |
D. |
17 |
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Hint |
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10. |
In a factory, every tenth product out of 200 is quality tested. What kind of sampling is represented? |
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A. |
Convenience Sampling |
B. |
Cluster Sampling |
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C. |
Systematic Sampling |
D. |
Random Sampling |
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Hint |
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11. |
What does 9|4 mean in the stem-and-leaf plot below? |
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A. |
904 |
B. |
9.4 |
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C. |
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D. |
94 |
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Hint |
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12. |
The circle graph shows the percent of money earned by different groups at a school. The school earned a total of $42,785. How much did the football team earn if they represent the 29% sector? |
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A. |
$12,407 |
B. |
$7890 |
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C. |
$145 |
D. |
$2900 |
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Hint |
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13. |
The frequency table shows the results of a survey taken in a high school classroom. What is the most popular type of movie? |
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A. |
Romance |
B. |
Adventure |
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C. |
Comedy |
D. |
Drama |
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Hint |
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14. |
A graph that displays data with __________ is called a pictograph. |
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A. |
sectors |
B. |
tally marks |
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C. |
graphic symbols |
D. |
bars |
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Hint |
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15. |
Using the line graph, between which two months was the biggest decrease in average gas price? |
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A. |
October-November |
B. |
August-September |
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C. |
January-February |
D. |
November-December |
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Hint |
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16. |
Using the box-and-whisker plot, what is the median of Exam B? |
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A. |
83 |
B. |
60 |
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C. |
90 |
D. |
75 |
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Hint |
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