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Unit 9 Review & Vocab

Total questions: 62

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
Is the following question statistical or non-statistical? 
What are 6th graders' favorite flavors of ice cream? 
a)
Statistical
b)
Non-statistical 
2.
Is the following question statistical or non- statistical?
How tall are the students in our class?
a)
Statistical
b)
Non-Statistical
3.
Is the following question statistical or non statistical?
How many music videos has Taylor Swift made?
a)
Statistical
b)
Non-Statistical 
4.
Is the following question statistical or non-statistical? 
How many pairs of shoes does each student in your class have?
a)
Statistical
b)
Non-Statistical
5.
Is the following question statistical or non-statistical?
A sixth grader asks her guidance counselor: How many clubs and sports are open to sixth graders at this school?
a)
Statistical Question
b)
Non-Statistical Question
6.
Is the following question statistical or non-statistical?
You ask people in an airport, "How many states have you visited?"
a)
Statistical Question
b)
Non-Statistical question
7.

Is this a statistical question:

How many pets does Mrs. Lewis have?

a)

Yes

b)

No

8.

What is the range?

a)

The sum of the largest and smallest number

b)

The number in the middle

c)

The difference between the largest and smallest number

d)

The number that appears most often

9.

What is the median?

a)

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

b)

The difference between the largest and smallest number.

c)

The average

d)

The number that appears most often.

10.
What is the mode?
a)
The average
b)
The number that appears most often.
c)
The largest number - the smallest number
d)
The number in the middle.
11.
To find the average of a set of numbers, add up all the items and divide by...
a)
2.
b)
The smallest number
c)
The largest number
d)
The number of items in the set.
12.
A data set can have more than one mode
a)
True
b)
False
13.
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?
a)
List both of the numbers as the Median.
b)
Add the two numbers together and divide by 2.
c)
Pick the one that you want.
d)
Subtract the two numbers.
14.
The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?
a)
99 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 50
d)
A score of 91 was slightly below average.
15.

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?

a)

14

b)

2

c)

7

d)

1

16.

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

a)

10

b)

12

c)

10 and 12

d)

No Mode

17.
Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?
a)
12
b)
72
c)
48
d)
98
18.
Find the median of these numbers:
4,2,7,4,3
a)
2
b)
5
c)
7
d)
4
19.
How would you describe the mean?
a)
difference
b)
average
c)
middle
d)
most repeated number
20.
Calculate the median for the following set of scores:
45, 69, 69, 87, 88, 92, 99, 100
a)
87
b)
55
c)
87.5
d)
99
21.
Nicole bowled 7 games last weekend. Her scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Nicole's scores?
a)
193
b)
127
c)
60
d)
66
22.
The height of 8 different people are: 1.83m, 1.55m, 1.76m, 1.52m, 1.81m, 1.70m, 1.85m and 1.91m. The range of these heights is:
a)
0.39m
b)
0.21m
c)
0.27m
d)
0.16m
23.
What is the mean of these numbers?
4,5,5,2,3,3,2,8
a)
40
b)
24
c)
4
d)
256
24.

Find the mode: 10, 11, 8, 14, 12, 8, 4, 5

a)

72

b)

8

c)

9

25.
What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
7 & 14
d)
none of the above
26.
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
a)
7
b)
23
c)
31
d)
34
27.
A data set can have more than one mode
a)
True
b)
False
28.

What is the mean of the data below?

1 , 5 , 10 , 11 , 20

a)

10

b)

9.4

c)

19

d)

9.1

29.

What is the median of the data below?

20 , 3 , 17 , 1 , 5

a)

5

b)

17

c)

19

d)

9.2

30.

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the RANGE of the heights?

a)

13 cm

b)

330 cm

c)

164 cm

d)

14 cm

31.

Find the median, mode and range:

3, 5, 7, 9, 11, 8, 3

a)

median:7 mode:11 range:8

b)

median:6 mode:3 range:7

c)

median:7 mode:3 range:8

32.
On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________
a)
91
b)
273
33.

(Vocab) A ______ ________ is a question that an be answered by collecting data. Often, there will be variability in the data.

(a)  

34.

(VOCAB) (a)   are values that are collected together for reference or analysis.

35.

(VOCAB) _________ ____ is a type of data that is divided into groups. This type of data is qualitative

(a)  

36.

(VOCAB) ________ ____, also known as quantitative data, is a type of data that is measurable. It is collected in the form of numbers.

(a)  

37.

(VOCAB) The (a)   is the arithmetic average of a set of numbers. You find it by adding all the numbers together then dividing by how many data points there are.

38.

(VOCAB) The (a)   is the value in the middle of data. You must first organize the data. If you have two numbers in the middle- average them.

39.

(VOCAB) The (a)   is the most frequent value. You can have none, 1, or more than 1 of these in a data set.

40.

(VOCAB) The (a)   is the difference between the maximum and minimum numbers in a data set. This is a measure of variability.

41.

(VOCAB) _______ __ ______ are numerical values used to describe the overall clustering of data in a set, or the overall central value of a set of data. The three most common of these measures are: mean, median, or mode.

(a)  

42.

(Vocab) A ___ ____ is a plot displaying the spread or distribution of a data set using a five-number summary. Also called a box-and-whisker plot.

(a)  

43.

(VOCAB) The _________ ______ is the distance between the first and third quartiles of the data set. The formula is Q3-Q1.

(a)  

44.

(Vocab) ________ __ _________ are numerical values that measure how much a data set varies. How different are the data points from each other?

(a)  

45.
What is the minimum value?
a)
64
b)
58
c)
66
d)
60
46.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
47.
What value is the lower quartile?
a)
66
b)
58
c)
60
d)
64
48.
What is the interquartile range (IQR)?
a)
4
b)
64
c)
60
d)
8
49.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
50.

What do points B and D represent on the box plot?

a)

Mean and Mode

b)

Mean and Median

c)

Least and Greatest Value

d)

First and Third Quartiles

51.

What is the least and greatest value of this data set?

a)

6 and 8

b)

6 and 19

c)

8 and 15

d)

15 and 19

52.

Data points in the first quartile are between which two points?

a)

6 and 8

b)

8 and 12

c)

12 and 15

d)

15 and 19

53.

Interquartile Range is

a)

the difference between the third quartile and the first quartile

b)

the difference between the greatest and least data values.

54.

What type of graph is this?

a)

Bar Graph

b)

Line Plot

c)

Histogram

55.

The number of cluster(s) in the graph is

(a)  

56.

Does this histogram have an outlier?

a)

Yes

b)

No

57.

The shape of data distribution is...

a)

left-skewed

b)

right-skewed

c)

symmetric

58.

Is the graph left- or right-skewed?

a)

left-skewed

b)

right-skewed

59.
How many students were greater than or equal to 60 inches tall?
a)
21
b)
11
c)
17
d)
6
60.
Which interval shows the greatest number of pets?
a)
15-19
b)
0-4
c)
5-9
d)
10-14
61.
21. How many students are represented by the histogram?  
a)
Cannot be determined
b)
9
c)
31
d)
35
62.
How many students are between 48 and 51 inches tall?
a)
14
b)
8
c)
2
d)
0

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