Quiz about Statistics Practice Quiz

Question 1

To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

Accepted Answer

Range

Answer

Mean

Answer

Median

Answer

Mode

Question 2

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

Accepted Answer

15

Answer

5

Answer

10

Answer

13

Question 3

To find the _________ you add up all the numbers and then divide by how many numbers you have.

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 4

Another word for average is

Accepted Answer

mean

Answer

sample

Answer

data

Answer

numerical data

Question 5

What is the mean of test scores?
{70, 70, 80, 85, 85, 90, 95, 95, 100, 100}

Accepted Answer

87

Answer

85, 95, and 100

Answer

30

Answer

85 and 90

Question 6

The mode is the number ________________________.

Accepted Answer

you see most

Answer

you see least

Answer

you don't see

Answer

you see first

Question 7

What is the MODE of this data?

Accepted Answer

90

Answer

85, 90, and 95

Answer

85 and 95

Answer

None

Question 8

The median is the __________________ number (after you put them in order).

Accepted Answer

middle

Answer

first

Answer

last

Answer

one you see most

Question 9

What do you do if there are two numbers in "the middle" when you are finding the median?

Accepted Answer

Add the two numbers in the middle & then divide by two.

Answer

Pick your favorite number

Answer

They are both the median

Answer

None of the above

Question 10

A data set can have more than one median. True or false?

Accepted Answer

False

Answer

True

Question 11

The number of miles that Kiki cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Kiki cycled?

Accepted Answer

36

Answer

24

Answer

39

Answer

52

Question 12

Find the median, mode and range:
3, 5, 7, 9, 11, 8, 3

Accepted Answer

mean: 6.5   median: 7     mode:3    range:8

Answer

mean : 6.9   median: 11   mode:3    range:6

Answer

mean: 7.2   median: 6     mode:3    range:2

Question 13

What statement is true about this data?

5, 15, 10, 15, 10, 10, 20, 20, 15

Accepted Answer

Two modes exist: 10 and 15.

Answer

The median is 10.

Answer

The mode is equal to 12.5.

Answer

The mean is larger than the median.

Question 14

Using the numerical data,

4, 1, 16, 12, 6, 4, 2, 16,

where are the 1st and 3rd quartiles located in the box and whisker plot?

Accepted Answer

3, 14

Answer

1, 16

Answer

4, 14

Answer

4, 16

Question 15

How many cities have temperatures between 70 degrees and 99 degrees?

Accepted Answer

44

Answer

34

Answer

26

Answer

62

Question 16

The line plot shows the price paid for 9 toys at a store. What is the median of the prices paid?

Accepted Answer

$9

Answer

$8

Answer

$10

Answer

$12

Question 17

What value is the lower quartile?

Accepted Answer

60

Answer

66

Answer

58

Answer

64

Question 18

What data value is the upper quartile (Q3)?

Accepted Answer

64

Answer

62

Answer

66

Answer

58

Question 19

What is the interquartile range (IQR)?

Accepted Answer

4

Answer

64

Answer

60

Answer

8

Question 20

Jada asked some students at her school how many hours they spent watching television last week, to the nearest hour. Here is a histogram for the data she collected. About how many students did Jada ask?

Accepted Answer

100

Answer

30

Answer

40

Answer

15

Statistics Practice Quiz

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics