Quiz about Measures of Center

Question 1

What is the mode?

Accepted Answer

Number that occurs the most

Answer

The Average

Answer

The difference between the highest and lowest values

Answer

The Number in the middle

Question 2

What is the mean?

Accepted Answer

The Average

Answer

The number that occurs the most

Answer

The number in the middle

Answer

The difference between the highest and lowest values

Question 3

What is the median?

Accepted Answer

The number in the middle

Answer

The difference between the highest and lowest values

Answer

The number that occurs the most

Answer

The average

Question 4

When finding the median what is the FIRST step?

Accepted Answer

Arrange the number from Least to Greatest

Answer

Mark off the lowest number

Answer

Mark off the highest number

Answer

Find the Middle

Question 5

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

Accepted Answer

10

Answer

13

Answer

12

Answer

11

Question 6

Find the mean of these numbers:
2, 57, 38, 42, 6

Accepted Answer

29

Answer

38

Answer

50

Answer

145

Question 7

Use the table to find the mean

Accepted Answer

118

Answer

105

Answer

111

Answer

130

Question 8

Find the Median of the data set

Accepted Answer

78.5

Answer

77

Answer

99

Answer

80

Question 9

The Table above shows the points scored by the JV basketball team in their first seven games. Calculate the mean, median, mode and range. Which statistical measure makes the team sound the best?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 10

Which class has the higher test score median?

Accepted Answer

Class #1

Answer

Class # 2

Answer

The medians are equal

Answer

The median is not shown here.

Question 11

Mrs. Rosenblatt's class has an average grade of 87. Later on she realizes she left out Joe's score. His grade was a 65. The new mean will ,....

Accepted Answer

decrease

Answer

increase

Answer

stay the same

Question 12

The mode score on the 6th grade math test was 94! Which of these interpretations MUST be correct?

Accepted Answer

More students received a 94 than any other score

Answer

94 was the highest score on the test.

Answer

No student scored below a 94

Answer

A score of 91 was slightly below average.

Question 13

For which group of data does the mean equal the mode?

Accepted Answer

4, 5, 5, 6

Answer

4, 5, 5, 8

Answer

4, 4, 6, 6

Answer

4, 5, 6, 6

Question 14

Which is the correct data set for the dot plot?

Accepted Answer

1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 7, 9

Answer

1, 2, 3, 4, 5, 6, 7, 8, 9,

Answer

1, 2, 3, 4, 5, 7, 9

Question 15

Calculate the range of the following

2, 5, 8, 3, 13, 5

Accepted Answer

11

Answer

13

Answer

5

Answer

8

Question 16

calculate the median for the following set of scores

45, 69, 69, 87, 88, 92, 99, 100

Accepted Answer

87.5

Answer

87

Answer

55

Answer

99

Question 17

find the lower quartile of the following set of scores

12, 9, 4, 6, 5, 8, 9, 4, 10, 2

Accepted Answer

4

Answer

10

Answer

9

Answer

6

Question 18

Calculate the interquartile range of the following data

17, 18, 18, 19, 20, 21, 21, 23, 25

Accepted Answer

4

Answer

3

Answer

5

Answer

8

Question 19

Find the mean.
90, 100, 95, 85, 60, 80

Accepted Answer

85

Answer

84

Answer

86

Answer

90

Question 20

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

Accepted Answer

9

Answer

5

Answer

6

Answer

11

Question 21

Find the interquartile range using the following data.
18, 15, 22, 16, 17, 15, 12, 22, 13

Accepted Answer

6

Answer

34

Answer

16

Answer

10

Question 22

True or False
To find the IQR (interquartile range) you have to add the Q3 + Q1.

Accepted Answer

False

Answer

True

Question 23

Order the data and find the Q₁
2,3,3,3,4,4,4,5,5,5,5,6,6,6,6,6,7,7,8,8,8,9,9

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 24

Order the data and find the Inter- Quartile Range (IQR)
2,3,3,3,4,4,4,5,5,5,5,6,6,6,6,6,7,7,8,8,8,9,9

Accepted Answer

3

Answer

4

Answer

5

Answer

6

Question 25

How would you describe this distribution?

Accepted Answer

Symmetrical

Answer

Left skewed

Answer

Uniform

Answer

Right Skewed

Question 26

What percent of students have a height between 58 inches and 60 inches?

Accepted Answer

25%

Answer

50%

Answer

75%

Answer

100%

Question 27

What is the interquartile range (IQR) of the data set?

Accepted Answer

20

Answer

25

Answer

5

Answer

10

Question 28

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

Accepted Answer

44

Answer

34

Answer

26

Answer

62

Question 29

A display that shows the distribution data where the data is represented by an X.

Accepted Answer

line plot

Answer

line graph

Answer

histogram

Answer

bar graph

Answer

treasure map

Question 30

An empty space or interval in a set of data

Accepted Answer

gap

Answer

peak

Answer

symmetric

Answer

cluster

Question 31

Data that are grouped together are called a _______.

Accepted Answer

cluster

Answer

gap

Answer

peak

Answer

mode

Question 32

The ____________ of a set of data shows the arrangement of data.

Accepted Answer

distribution

Answer

symmetric

Answer

dot plot

Answer

gap

Question 33

A diagram that is constructed using the median, quartiles, and extreme values.

Accepted Answer

box plot

Answer

frequency distribution

Answer

line graph

Answer

bar graph

Question 34

The most frequently occuring value, or mode of the data plot.

Accepted Answer

peak

Answer

cluster

Answer

distribution

Answer

gap

Question 35

A type of bar graph that displays numerical data that have been organized into equal intervals.

Accepted Answer

histogram

Answer

bar graph

Answer

line graph

Answer

box plot

Question 36

What is the term for the median of the lower half of the data?

Accepted Answer

Lower Quartile

Answer

Upper Quartile

Answer

Median

Answer

Maximum

Question 37

2. Which of the following best describes the process of finding the interquartile range for a set of data?

Accepted Answer

Subtract Q1 from Q3.

Answer

Add the biggest and smallest numbers.

Answer

Place the numbers in order from least to greatest and find the middle.

Answer

Find the difference between the maximum and the minimum.

Question 38

What is the range of the test scores?

Accepted Answer

10

Answer

15

Answer

100

Answer

6

Question 39

What is the MEDIAN of this data?

Accepted Answer

65

Answer

40

Answer

915

Answer

13

Question 40

What is the MEAN for this data?

Accepted Answer

80

Answer

1040

Answer

13

Answer

81

Question 41

What type of graph is this?

Accepted Answer

Histogram

Answer

Bar Graph

Answer

Line Plot

Question 42

Which interval has 400 employees?

Accepted Answer

33-43

Answer

0-10

Answer

77-87

Answer

66-76

Question 43

How many students are between 48 and 51 inches tall?

Accepted Answer

2

Answer

14

Answer

Answer

Question 44

How many students scored between a 86 and a 90?

Accepted Answer

1

Answer

3

Answer

6

Answer

10

Question 45

How many people watched between 6 and 10 hours of TV last week?

Accepted Answer

35

Answer

31

Answer

22

Answer

15

Question 46

Which interval has the greatest number of employees?

Accepted Answer

44-54

Answer

11-21

Answer

33-43

Answer

77-87

Question 47

More people had between __ and __ cups of coffee than any other range.

Accepted Answer

8-11

Answer

0-3

Answer

12-15

Answer

16-19

Question 48

_________________________ is a set of information collected about people or things.

Accepted Answer

data

Answer

frequency

Answer

statistical question

Answer

attribute

Question 49

What is the unit of measure in the data set?

Accepted Answer

hours

Answer

time

Answer

online

Answer

12

Question 50

How many observations were collected in this frequency table?

Accepted Answer

20

Answer

16

Answer

10

Answer

4

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