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1. |
What is the difference between the highest and the lowest values? |
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A. |
80 |
B. |
75 |
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C. |
100 |
D. |
84 |
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Hint |
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2. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
1 |
B. |
9 |
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C. |
9.4 |
D. |
8 |
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Hint |
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3. |
Which scatter plot shows that x and y have no correlation? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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4. |
Make a flowchart for the expression. . |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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5. |
Which relationship would most likely have no correlation? |
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A. |
A person's age, and the address of the person. |
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B. |
The number of miles driven, and the number of gallons of gas in the car. |
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C. |
The number of pizzas ordered, and the total price of the bill. |
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D. |
A person's height and the person's shoe size. |
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Hint |
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6. |
Which of the following would not be a sample from a population set of all of the farms in Nebraska? |
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A. |
One farm is selected in each 20 square mile area of the state |
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B. |
25 houses with pets are selected from any part of the state. |
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C. |
The farms are split into groups based on what they produce, and then 4 are selected from each group. |
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D. |
12 farms are selected from any part of the state. |
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Hint |
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7. |
What are the dimensions of the matrix ? |
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A. |
4 × 2 |
B. |
3 × 2 |
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C. |
6 |
D. |
2 × 3 |
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Hint |
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8. |
Find A – C. |
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A. |
impossible |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
How many measurement classes are represented on the histogram? |
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A. |
14 |
B. |
44 |
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C. |
70 |
D. |
9 |
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Hint |
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10. |
What kind of sampling is represented if dentists from random areas of the city are asked about their favorite toothpaste? |
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A. |
Random Sampling |
B. |
Cluster Sampling |
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C. |
Convenience Sampling |
D. |
Systematic Sampling |
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Hint |
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11. |
Find the range of {120, 42, 62, 44, 20, 42, 112}. |
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A. |
100 |
B. |
44 |
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C. |
42 |
D. |
63 |
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Hint |
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12. |
Which relationship will most likely have a positive correlation? |
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A. |
Rising temperatures and ski equipment sales. |
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B. |
The number of movie tickets sold and the amount of popcorn sold. |
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C. |
A person's height and a person's eye color. |
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D. |
Battery power of a flashlight, and continued use of the flashlight. |
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Hint |
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13. |
What is the third quartile of {2, 5, 13, 21, 29}? |
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A. |
25 |
B. |
27 |
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C. |
20 |
D. |
18 |
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Hint |
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14. |
Find the first quartile of the data. |
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A. |
19.5 |
B. |
25 |
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C. |
29.5 |
D. |
91 |
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Hint |
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15. |
Why is the graph misleading? |
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A. |
Months are out of order. |
B. |
Scale is not at even intervals. |
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C. |
Bars appear to have cut in half. |
D. |
Color is misleading. |
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Hint |
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16. |
How could the graph be changed so it is not misleading? |
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A. |
Change the color. |
B. |
Make the graph start at 0 to see all of the bars. |
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C. |
Change the graph from vertical to horizontal. |
D. |
Write out the entire names of the months. |
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Hint |
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