15 Questions
| Total Attempts: 1161

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Questions and Answers

- 1.Find the median in the set of data 23, 13, 18, 29, 32, 25.
- A.
18

- B.
24

- C.
25

- D.
29

- 2.Find the mean of the set of data 12, 9, 6, 17, 20, 15, 12, 5.
- A.
12

- B.
7.5

- C.
3

- D.
20

- 3.Find the mode of the set of data 12, 13, 18, 10, 13, 18, 12, 10, 18, 15
- A.
13

- B.
10

- C.
13 & 18

- D.
18

- 4.Find the outlier of the set of data 24, 37, 33, 31, 28, 25, 33, 12
- A.
31

- B.
12

- C.
30

- D.
33

- 5.Dylan found the mean and median of this list of numbers: 1, 3, 3. If the number 6 were added to the list, then...
- A.
The mean would increase.

- B.
The mean would decrease.

- C.
The median would increase.

- D.
The median would decrease.

- 6.The histogram shows the number of minutes students at Marlowe Junior High typically spend on household chores each day. How many students spend 61-80 minutes on chores?
- A.
10

- B.
11

- C.
12

- D.
13

- 7.The histogram shows the number of minutes students at Marlowe Junior High typically spend on household chores each day. How many students spend 60 minutes or less on chores?
- A.
15

- B.
3

- C.
5

- D.
18

- 8.Use the bar graph below. Approximately how many more students ride in a car than walk?
- A.
3

- B.
50

- C.
100

- D.
150

- 9.Use the line graph. By how many millions of dollars did sales increase from 1992 to 1993?
- A.
$20 million

- B.
$35 million

- C.
$40 million

- D.
$15 million

- 10.Decide which sampling method is used. You sample every sixth person at a grocery store to see what type of sports events they watch.
- A.
Random Sampling

- B.
Systematic Sampling

- C.
Convenience Sampling

- 11.At Javier's summer job with a research company, he must get a random sample of people in a local town to answer a question about an upcoming election. Which method could he use to get a random sample?
- A.
Questioning parents waiting for their child at school

- B.
Collecting responses only at work

- C.
Selecting every other mail-in response

- D.
Selecting people randomly from the list of town residents

- 12.Which question is biased?
- A.
"What sport do you play?"

- B.
"Do you prefer to sit on the couch and watch TV or do you like to exercise and stay in shape?"

- C.
"What is your favorite food?"

- D.
"Do you prefer yogurt or pudding for dessert?"

- 13.Which survey question is unbiased?
- A.
"Do you prefer bringing a healthy lunch to school or eating overcooked cafeteria food?"

- B.
"Which do you prefer with a meal, water or a syrupy sweet soft drink?"

- C.
"Do you prefer bringing lunch to school or eating school lunches?"

- D.
"Do you prefer the stake tater tots or the fresh fruit?"

- 14.Decide which sampling method is used. Your teacher puts the names of all the students in your class into a box. He selects a class representative by drawing a name out of the box.
- A.
Random sampling

- B.
Systematic sampling

- C.
Convenience sampling

- 15.Find the range of the set of data 12, 9, 6, 17, 20, 15, 12, 5.
- A.
12

- B.
7.5

- C.
15

- D.
20

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