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Data and Statistics-Review

Total questions: 50

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

Is the following question statistical or non statistical?How many cars are in the parking lot? (a)  

Choose from the below words
Statsitical
Non Statistical
2.

Is the following question statistical or non statistical?What pets does our class have? (a)  

Choose from the below words
Statistical
Non statistical
3.

Is the following question statistical or non statistical?How many lanterns are hanging in our classroom (a)  

Choose from the below words
Statistical
Non Statistical
4.

Is the following question statistical or non statistical? How many siblings do each student have? (a)  

Choose from the below words
Statistical
Non Statistical
5.
At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10
6.
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?
7.
Find the mean of these numbers:
5,11,2,12,4,2
8.
Find the median of these numbers:
4,2,7,4,3
9.
What is the median of the data?
10.
What is the interquartile range?
11.

Which restaurant has a higher median wait time? (a)  

Choose from the below words
Lucy's Steakhouse
Gary's Grill
They are the same
12.

Which car club has the higher median? (a)  

Choose from the below words
Cruisers
Car Hops
13.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
14.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
15.
What value is the lower quartile?
a)
66
b)
58
c)
60
d)
64
16.
What data value is the upper quartile?
a)
64
b)
62
c)
66
d)
58
17.
What is the range of the data?
a)
4
b)
8
c)
6
d)
2
18.

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

Which Box plot belongs to the data above?

a)
b)
c)
d)
19.
If you were in the 3rd quartile for the class.  Which is true?
a)
You are 75% taller than the rest of the class.
b)
You are 75 inches.
c)
You are taller than 75% of the class.
d)
You are shorter than 75% of the class. 
20.
What is the range in gas mileage for cars?
a)
2
b)
3
c)
4
d)
6
21.
Are these dot plots symmetric?
a)
Yes
b)
No
22.
Is the Cars dot plot skewed left or right?
a)
left
b)
right
23.
Which car club attends more car shows?
a)
Cruisers
b)
Car Hops
24.
50% of the Car Hops went to 11 or fewer car shows.  True or False?
a)
True
b)
False
25.
75% of the Cruisers went to more than 13 car shows.  True or False?
a)
True
b)
False
26.

What shape is the data shown in the dot plot?

a)

symmetrical

b)

skewed left

c)

skewed right

27.
The shape of the data is skewed left.
a)
TRUE
b)
FALSE
28.
Which statement correctly describes the shapes of the dot plots for cars and SUVs?
a)
SUVs: symmetrical
Cars: skewed left
b)
Both are skewed left
c)
Both are symmetrical
d)
SUVs: skewed right
Cars: Skewed left
29.
Which club has the smaller spread?
a)
Cruisers
b)
Car Hops
30.
Which interval shows the greatest number of pets?
a)
15-19
b)
0-4
c)
5-9
d)
10-14
31.
How many students have more than 1,000 songs on their MP3 player?
a)
5
b)
16
c)
10
d)
4
32.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
33.
Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive? 
a)
7:00-7:59 P.M.
b)
8:00–8:59 P.M.
c)
9:00–9:59 P.M.
d)
10:00–10:59 P.M. 
34.
What is the total number of parks?
a)
46
b)
16
c)
48
d)
52
35.
Describe the histogram:
a)
Left Skewed
b)
Symmetrical
c)
Right Skewed
d)
Uniform
36.

What is the second step to find the MAD?

a)

Find the mean of the data values

b)

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

c)

Find the average of the differences

37.

Find the Mean Absolute deviation of the following data: 1, 8, 10, 20

(a)  

38.
Which dot plot shows more variability? a or b?
a)
a
b)
b
39.
Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8
a)
9
b)
6
c)
1.2
d)
5
40.

What percentage of the data is between 90 and 140?

a)

25 %

b)

50%

c)

75%

d)

100%

41.

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

a)

20

b)

25

c)

5

d)

10

42.

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

a)

Top plot

b)

Bottom plot

43.

Which box and whisker plot has the highest median?

a)

Top plot

b)

Bottom plot

44.

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)

a)

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

b)

Ms. Moss surveyed 20 students.

c)

Half of the students have read more than 1 book.

d)

Most of the students have read at least 1 book.

45.

What percentage of the data is between 40 and 90?

a)

25 %

b)

50%

c)

75%

d)

100%

46.

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

a)

75%

b)

50%

c)

100%

d)

25%

47.

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

a)

25%

b)

50%

c)

75%

d)

100%

48.

What percentage of data is 19 or more?

(a)  

49.

What is the overall shape of the graph?

a)

Approximately Symmetrical

b)

Skewed left

c)

Skewed right

50.
Which is NOT ture?
a)
The spreads of the low temperatures for Reybold and Picktown are not the same
b)
Neither box plot is symmetrical
c)
The median low temeratures for Reybold and Picktown are different
d)
The lower extreme for Picktown is approximately 5 degrees lower than the lower extreme for Reybold

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