Quiz about Data and Statistics-Review

Question 1

What is the minimum value?

Accepted Answer

58

Answer

64

Answer

66

Answer

60

Question 2

What data value is the upper quartile (Q3)?

Accepted Answer

64

Answer

62

Answer

66

Answer

58

Question 3

What value is the lower quartile?

Accepted Answer

60

Answer

66

Answer

58

Answer

64

Question 4

What data value is the upper quartile?

Accepted Answer

64

Answer

62

Answer

66

Answer

58

Question 5

What is the range of the data?

Accepted Answer

8

Answer

4

Answer

6

Answer

2

Question 6

1,3,5,7,9,11,13,15

Which Box plot belongs to the data above?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 7

If you were in the 3rd quartile for the class.  Which is true?

Accepted Answer

You are taller than 75% of the class.

Answer

You are 75% taller than the rest of the class.

Answer

You are 75 inches.

Answer

You are shorter than 75% of the class.

Question 8

What is the range in gas mileage for cars?

Accepted Answer

6

Answer

2

Answer

3

Answer

4

Question 9

Are these dot plots symmetric?

Accepted Answer

No

Answer

Yes

Question 10

Is the Cars dot plot skewed left or right?

Accepted Answer

left

Answer

right

Question 11

Which car club attends more car shows?

Accepted Answer

Car Hops

Answer

Cruisers

Question 12

50% of the Car Hops went to 11 or fewer car shows.  True or False?

Accepted Answer

True

Answer

False

Question 13

75% of the Cruisers went to more than 13 car shows.  True or False?

Accepted Answer

False

Answer

True

Question 14

What shape is the data shown in the dot plot?

Accepted Answer

symmetrical

Answer

skewed left

Answer

skewed right

Question 15

The shape of the data is skewed left.

Accepted Answer

FALSE

Answer

TRUE

Question 16

Which statement correctly describes the shapes of the dot plots for cars and SUVs?

Accepted Answer

SUVs: skewed right
Cars: Skewed left

Answer

SUVs: symmetrical
Cars: skewed left

Answer

Both are skewed left

Answer

Both are symmetrical

Question 17

Which club has the smaller spread?

Accepted Answer

Car Hops

Answer

Cruisers

Question 18

Which interval shows the greatest number of pets?

Accepted Answer

15-19

Answer

0-4

Answer

5-9

Answer

10-14

Question 19

How many students have more than 1,000 songs on their MP3 player?

Accepted Answer

16

Answer

5

Answer

10

Answer

4

Question 20

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 21

What is the total number of parks?

Accepted Answer

48

Answer

46

Answer

16

Answer

52

Question 22

Describe the histogram:

Accepted Answer

Right Skewed

Answer

Left Skewed

Answer

Symmetrical

Answer

Uniform

Question 23

What is the second step to find the MAD?

Accepted Answer

Find out how far away each data value is from the mean. (Find the difference of the mean and the data value.)

Answer

Find the mean of the data values

Answer

Find the average of the differences

Question 24

Which dot plot shows more variability? a or b?

Accepted Answer

b

Answer

a

Question 25

Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8

Accepted Answer

1.2

Answer

9

Answer

6

Answer

5

Question 26

What percentage of the data is between 90 and 140?

Accepted Answer

50%

Answer

25 %

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

Which box and whisker plot shows more "spread out" data?

Accepted Answer

Bottom plot

Answer

Top plot

Question 29

Which box and whisker plot has the highest median?

Accepted Answer

Top plot

Answer

Bottom plot

Question 30

Ms. Moss did a survey of her class about how many books they read over the summer. Using the dot plot, identify the correct statements.(multiple answers are correct)

Accepted Answer

Ms. Moss surveyed 20 students.

Accepted Answer

Half of the students have read more than 1 book.

Accepted Answer

Most of the students have read at least 1 book.

Answer

More of her students have read more than 4 books than the number of students who read less than 3 books.

Question 31

What percentage of the data is between 40 and 90?

Accepted Answer

25 %

Answer

50%

Answer

75%

Answer

100%

Question 32

What percent of students have heights between 60 inches and 66 inches?

Accepted Answer

75%

Answer

50%

Answer

100%

Answer

25%

Question 33

What percent of the data is between 30 and 35 on the number line?

Accepted Answer

25%

Answer

50%

Answer

75%

Answer

100%

Question 34

What is the overall shape of the graph?

Accepted Answer

Approximately Symmetrical

Answer

Skewed left

Answer

Skewed right

Question 35

Which is NOT ture?

Accepted Answer

The median low temeratures for Reybold and Picktown are different

Answer

The spreads of the low temperatures for Reybold and Picktown are not the same

Answer

Neither box plot is symmetrical

Answer

The lower extreme for Picktown is approximately 5 degrees lower than the lower extreme for Reybold

Data and Statistics-Review

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