Quiz about mean median & mode

Question 1

What is the range?

Accepted Answer

The difference between the largest and smallest number

Answer

The sum of the largest and smallest number

Answer

The number in the middle

Answer

The number that appears most often

Question 2

What is the median?

Accepted Answer

The number in the middle when the numbers are in order from least to greatest.

Answer

The difference between the largest and smallest number.

Answer

The average

Answer

The number that appears most often.

Question 3

What is the mode?

Accepted Answer

The number that appears most often.

Answer

The average

Answer

The largest number - the smallest number

Answer

The number in the middle.

Question 4

To find the average of a set of numbers, add up all the items and divide by...

Accepted Answer

The number of items in the set.

Answer

2.

Answer

The smallest number

Answer

The largest number

Question 5

A data set can have more than one mode

Accepted Answer

True

Answer

False

Question 6

When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?

Accepted Answer

Add the two numbers together and divide by 2.

Answer

List both of the numbers as the Median.

Answer

Pick the one that you want.

Answer

Subtract the two numbers.

Question 7

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 8

The number of miles that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Jenna cycled?

Accepted Answer

36

Answer

24

Answer

39

Answer

52

Question 9

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 10

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

12

Answer

10 and 12

Answer

No Mode

Question 11

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the RANGE of the heights?

Accepted Answer

14 cm

Answer

13 cm

Answer

330 cm

Answer

164 cm

Question 12

What is the MEDIAN of this set of data?

10, 90, 80, 60, 50, 40, 70, 30, 20, 100

Accepted Answer

55

Answer

50

Answer

60

Answer

45

Question 13

The heights of 4 different people are: 1.55m, 1.52m, 1.81m, and 1.91m. The range of these heights is:

Accepted Answer

0.39m

Answer

0.21m

Answer

0.27m

Answer

0.16m

Question 14

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

Accepted Answer

7

Answer

23

Answer

31

Answer

34

Question 15

Lizzy had test scores of: 72, 94, 108, 60
What is the RANGE of her test scores?

Accepted Answer

48

Answer

12

Answer

72

Answer

98

Question 16

To find the average of a set of numbers, add up all the items and divide by...

Accepted Answer

The number of items

Answer

2

Answer

The minimum

Answer

The maximum

Question 17

If a data set is bimodal, how many modes does it have?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 18

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

Accepted Answer

207

Answer

210

Answer

220

Answer

200

Question 19

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

Accepted Answer

207

Answer

210

Answer

220

Answer

200

Question 20

Find the mean of the countries' research and development spending.

Accepted Answer

21.86 billion

Answer

218.6 billion

Answer

3.5 billion

Answer

79.1 billion

Question 21

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

Accepted Answer

2.85

Answer

3.33

Answer

3

Answer

3.5

Question 22

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 23

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

Accepted Answer

91

Answer

273

Question 24

Mary read six books in January, four books in February, and eight books in March.What was the average number of books read each month? __________

Accepted Answer

6

Answer

18

Answer

14

Question 25

When finding the median, what do you do if there are two middle numbers?

Accepted Answer

Add them together and divide by 2

Answer

Write them both as the answer

Answer

Give up

Answer

Pick one

Question 26

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 27

The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost

Accepted Answer

$372.50

Answer

$330

Answer

$390

Answer

$375

Question 28

The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost

Accepted Answer

$372.50

Answer

$330

Answer

$390

Answer

$375

Question 29

Christian has six grades from tests and IXL. They are all weighted equally. If Christian's grades are 100, 96, 96, 88, 70, and 100, what is the current average grade? (Round to the nearest whole number)

Accepted Answer

92

Answer

90

Answer

91

Answer

93

Question 30

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

99 was the highest score on the test.

Answer

No student scored below a 50

Answer

A score of 91 was slightly below average.

Question 31

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 32

What is the range?
8, 10, 60, 3, 5, 13, 12, 40, 8

Accepted Answer

57

Answer

55

Answer

8

Answer

17.7

Question 33

This is the interval between two consecutive upper (or lower) class limits.

Accepted Answer

class width

Answer

class boundaries

Answer

midpoints

Answer

frequency

Question 34

These are used as the border between two consecutive bars in a histogram. They are the intermediate value between an upper class limit and the next lower class limit.

Accepted Answer

class boundaries

Answer

class limits

Answer

frequencies

Answer

class marks

Question 35

Find the relative frequencies

Accepted Answer

37%, 39%, 16%, 3%, 3%, 3%

Answer

37%, 76%, 92%, 95%, 98%, 100%

Answer

28%, 30%, 12%, 2%, 2%, 2%

Answer

33%, 37%, 20%, 7%, 7%, 7%

Question 36

Find the cumulative frequencies.

Accepted Answer

28, 58, 70, 72, 74, 76

Answer

28, 56, 84, 100

Answer

33%, 37%, 20%, 7%, 7%, 7%

Answer

28, 30, 12, 2, 2, 2

Question 37

Look at the frequency distribution. Find the class boundaries.

Accepted Answer

20.5, 30.5, 40.5, 50.5, 60.5, 70.5

Answer

21, 31, 41, 51, 61, 70, 80

Answer

25.5, 35.5, 45.5, 55.5, 65.5, 75.5

Answer

30, 40, 50, 60, 70, 80

Question 38

Complete the definition:

Accepted Answer

midpoints

Answer

class boundaries

Answer

lower class limits

Answer

upper lass limits

Question 39

Which of the following is the correct formula to find class width?

Accepted Answer

(max-min)/(# of classes), round up to the next integer

Answer

(max-min)/2, round up to the next integer

Answer

(max-min)/(# of classes), round normally

Answer

(max+min)/2, round normally

Answer

(max-min)/(number of data), round up to the next integer

Question 40

What is the formula for relative frequency?

Accepted Answer

f/N

Answer

f*N

Answer

f-N

Answer

(f+x)/N

Question 41

A type of bar graph used to display numerical data that has been organized into equal intervals.

Accepted Answer

Histogram

Answer

Line Plot

Answer

Interval

Answer

Frequency Table

Question 42

According to the portion of the frequency table given, how many people have an MBA?

Accepted Answer

20

Answer

9

Answer

60

Answer

not enough information

Question 43

A table that shows classes or intervals of data entries with a count of the number of entries in each class.

Accepted Answer

Frequency distribution

Answer

Frequency polygon

Answer

Histogram

Answer

Ogive

Question 44

Rhaul measured the heights of the apple trees in an orchard. What percent of the trees are 5-9 feet tall?

Accepted Answer

19%

Answer

31%

Answer

22%

Answer

10%

Question 45

Which of these data displays has one anchor to the x-axis?

Accepted Answer

Ogive

Answer

Frequency Polygon

Answer

Histogram

Answer

Time Series Graph

Question 46

Which of these data displays has one anchor to the x-axis?

Accepted Answer

Ogive

Answer

Frequency Polygon

Answer

Histogram

Answer

Time Series Graph

Question 47

Which Greek letter is the symbol for "the sum of"?

Accepted Answer

Sigma

Answer

Iota

Answer

Rho

Answer

Theta

Question 48

Which of the following is a true statement about Frequency Polygons?

Accepted Answer

They have two anchors to the horizontal axis

Answer

They have one anchor to the horizontal axis

Answer

The vertical axis is cumulative frequency

Answer

The horizontal axis is class endpoints

Question 49

What type of distribution is this showing?

Accepted Answer

Negative skew

Answer

Positive Skew

Answer

Normal Distribution of data

Question 50

What type of distribution of data is this showing?

Accepted Answer

Positive

Answer

Negative

Answer

Normal

Answer

Equilateral

Question 51

What type of distribution is this?

Accepted Answer

Normal distribution of data

Answer

Positive skew

Answer

Negative Skew

Question 52

What kind of distribution of data would the following lead to?

Mode = 16, Median =12 Mean = 8

Accepted Answer

Negative

Answer

Positive

Answer

Normal

Question 53

What kind of distribution of data would the following lead to?

Mode = 4 Median = 6 Mean = 10

Accepted Answer

Positive

Answer

Negative

Answer

Normal

Question 54

What goes on the side axis when sketching a distribution of data?

Accepted Answer

Frequency

Answer

Scores

Answer

Number

Question 55

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

Accepted Answer

66

Answer

193

Answer

127

Answer

60

Question 56

The median is equivalent to...

Accepted Answer

all of these

Answer

the middle quartile (Q₂)

Answer

the fifth decile (D₅)

Answer

the 50th percentile (P₅₀)

Question 57

Jenny scored at the 99th percentile on a test. How should we interpret this information?

Accepted Answer

Jenny scored better than 99% of people who took this test

Answer

Jenny scored worse than 99% of people who took this test

Answer

Jenny got 99% of the questions on the test right

Answer

Jenny got 99% of questions on the test wrong

Question 58

What measures of position divides the distribution into 100 equal parts?

Accepted Answer

percentiles

Answer

quartiles

Answer

deciles

Answer

range

Question 59

How many percent corresponds to P₂₅ if you will interpret it?

Accepted Answer

25%

Answer

10%

Answer

50%

Answer

60%

Question 60

the difference between the upper and lower quartiles

Accepted Answer

interquartile range

Answer

median

Answer

mode

Answer

mean

Question 61

Which data set has the largest IQR?

Accepted Answer

13, 14, 19, 33, 38, 42

Answer

20, 21, 22, 24, 25, 27

Answer

53, 54, 55, 62, 67, 72, 75

Question 62

What is the class interval?

Accepted Answer

The value range used to group data

Answer

The gap between the scores

Answer

The highest number minus the lowest

Answer

None of the above

Question 63

You can find the ________________ by taking the square root of the variance.

Accepted Answer

standard deviation

Answer

cubed root

Answer

range

Answer

range rule of thumb

Question 64

Find the median, first quartile, third quartile, and interquartile range of the data.

23, 33, 25, 16, 27, 43, 29, 40, 35

Accepted Answer

Median: 29

First Quartile: 24

Third Quartile: 37.5

IQR: 13.5

Answer

Median: 27

First Quartile: 25

Third Quartile: 35

IQR: 10

Answer

Median: 29

First Quartile: 25

Third Quartile: 37.5

IQR: 12.5

Answer

Median: 27

First Quartile: 24

Third Quartile: 35

IQR: 11

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