Quiz about Review measure of Central Tendency

Question 1

The mean of a data set can be found by...

Accepted Answer

finding the sum of the numbers and then dividing by the total amount of numbers in the data set

Answer

subtracting the minimum from the maximum

Answer

choosing the middle number

Answer

choosing the number that occurs most

Question 2

The median of a data set can be found by...

Accepted Answer

choosing the middle number

Answer

subtracting the minimum from the maximum

Answer

choosing the number that occurs most

Answer

finding the sum of the numbers and then dividing by the total amount of numbers in the data set

Question 3

The mode of a data set can be found by...

Accepted Answer

choosing the number that occurs most

Answer

subtracting the minimum from the maximum

Answer

choosing the middle number

Answer

finding the sum of the numbers and then dividing by the total amount of numbers in the data set

Question 4

The range of a data set can be found by...

Accepted Answer

subtracting the minimum from the maximum

Answer

choosing the middle number

Answer

choosing the number that occurs most

Answer

finding the sum of the numbers and then dividing by the total amount of numbers in the data set

Question 5

The median of the numbers 34, 32, 12, 65, and 45 is...

Accepted Answer

34

Answer

32

Answer

12

Answer

65

Question 6

There can be more than one mean

Accepted Answer

False

Answer

True

Question 7

There can be more than one mode

Accepted Answer

True

Answer

False

Question 8

What is the first step when looking at data?

Accepted Answer

Put them in order from least to greatest

Answer

Find the mean

Answer

Sort the data into categories

Answer

Find the range

Question 9

What is the range of 45, 56, 23, 74, and 63?

Accepted Answer

51

Answer

18

Answer

23

Answer

56

Question 10

Find the mean of 1, 2, 3, 4, and 5

Accepted Answer

3

Answer

7

Answer

4

Answer

2

Question 11

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode of the number of donut holes per bag described in the sample below:
{12,10,10,10,13,12,11,13,10}

Accepted Answer

10

Answer

13

Answer

12

Answer

11

Question 12

A data set can have more than one _______

Accepted Answer

Mode

Answer

Median

Answer

Mean

Answer

Midrange

Question 13

The heights of six students in a class are given below:
158cm 172cm 164cm
164cm 167cm 159cm
However, there were actually seven students in the class, and the mean height in the class was 165 cm. What was the height of the unknown student?

Accepted Answer

171 cm

Answer

164 cm

Answer

166 cm

Answer

169 cm

Question 14

On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons, and 10 large containers that each weighed 8 tons.
Find the mean weight of the containers on this ship.

Accepted Answer

4.5 tons

Answer

4 tons

Answer

5 tons

Answer

5.5 tons

Question 15

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

Accepted Answer

155

Answer

127

Answer

156

Answer

193

Question 16

Paulo got these markers in three tests: 72, 80 and 82. He had one more test to sit. He wanted an average of 80 for the four tests. What mark must he get in the fourth test?

Accepted Answer

86

Answer

78

Answer

80

Answer

84

Question 17

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

Accepted Answer

66

Answer

193

Answer

127

Answer

60

Question 18

Dr. Dre is a dentist. He needs to report on the average (Mean) number of cavities that his patients have.

1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?

Accepted Answer

2

Answer

14

Answer

7

Answer

1

Question 19

In order to find the median, the data must be sorted from least to greatest first.

Accepted Answer

True

Answer

False

Question 20

Find the median.
5, 15, 10, 20, 15, 10, 15

Accepted Answer

15

Answer

20

Answer

10

Answer

5

Review measure of Central Tendency

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