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Unlimited Unit 7 Lessons 1-7 Review

Total questions: 30

Worksheet time: 8hrs 30mins

Name
Class
Date
1.

NOTE: The PASSING GRADE is 70%.

(A dot-plot is the same as a line plot.)

(Click to enlarge image.)

a)

A

b)

B

c)

C

d)

D

2.

(Click image to enlarge.)

a)

A

b)

B

c)

C

d)

D

3.

What type of graph is this? (Click on image to enlarge.)

a)

Bar Graph

b)

Line Plot

c)

Pictograph

d)

Tally Chart

4.

Tina spends the least amount of money every month on...

(Click on image to enlarge.)

a)

clothing

b)

bus fare

c)

utilities

d)

other

5.

The x-axis is

a)

Vertical

b)

Diagonal

c)

Horizontal

d)

Trending

6.

A …....... is a group of questions about a topic.

a)

game

b)

survey

c)

textbook

7.

How many people have two or less books in their desk? (Click on image to enlarge.)

a)

4

b)

5

c)

6

d)

7

8.
All 25 students in our class were surveyed about what their favorite food is.  11 students chose pizza. What percentage of the class chose pizza?
a)
20%
b)
44%
c)
15%
d)
60%
9.
Students were surveyed about their favorite sports to play in phys.ed. The results are represented in this circle graph. If 48 students were surveyed, how many chose soccer?
a)
10
b)
12
c)
15
d)
14
10.
Another word for data is _____.
a)
population
b)
information
c)
birth rate
d)
life expectancy 
11.

____________counts the number of things, like population, or students who like cheese pizza.

a)

Continuous data

b)

Discrete data

12.

_______ is measured over time like temperature, and height.

a)

Continuous data

b)

Discrete data

13.

Which variable is considered continuous data?

a)

Number of students in a classroom

b)

Number of fish in a tank

c)

Time spent by a doctor examining a person

14.

Which variable is considered discrete data?

a)

Measuring the growth of a plant throughout the month.

b)

Number of votes in an election

c)

Time left on a parking meter

15.

Melanie was collecting data on the number of children at school. Is this continuous data or discrete data?

a)

continuous data

b)

discrete data

16.

Review:

A bag contains 6 red marbles, 7 blue marbles, 3 green marbles, and 4 yellow marbles.

What is P(red) to the nearest percent?


NOTE: P stands for the word Probability. So this question reads: What is the Probability of a red marble being pulled out of the bag?


ALSO NOTE: TP stands for Theoretical Probability and EP stands for Experimental Probability.

a)

60%

b)

30%

c)

43%

d)

40%

17.

Unfair questions in a survey are ____________________.

a)

population

b)

sample

c)

random sample

d)

biased questions

18.

4. Carlos wants to know the favorite sport of people at his school so he asks his baseball team.


Will he get Biased or Unbiased (fair) responses?

a)

A. Biased

b)

B. Unbiased (fair)

19.
6. Ana wants to know the average student’s opinion of the tardy policy at her school. Which group of students should she survey in order to achieve the most accurate results?
a)
A. Thirty randomly selected students from her school
b)
B. Thirty students who are rarely tardy
c)
thirty of her friends
20.
Which of these is not an advantage of using an electronic database?
a)
Faster to find information
b)
Easy to move information - portable
c)
Could be hacked
d)
Can keep a back-up copy
21.
Probability is ...
a)
the chance that some event will occur.
b)
a game that involves coins.
c)
a guarantee.
22.
What is the probability of spinning the spinner and having it land on RED?
a)
33%
b)
50%
c)
12%
23.

What is the probability of drawing a red card from a standard deck of cards?

(Click on image to enlarge.)

a)

1/52

b)

13/52

c)

1/2

d)

4/52

24.
If I spin 35 times, how many times should the color yellow show up?
a)
1
b)
5
c)
7
d)
10
25.
Theoretical Probability is?
a)
What Should happen
b)
What does happen
c)
What Will Happen
d)
What I want to Happen
26.
Experimental Probability is:
a)
What Will happen 
b)
What actually happens
c)
What should happen
d)
What I think Happens
27.
What is an outcome?
a)
The result of an experiment
b)
The chance or likelihood of an event
c)
A fraction, decimal, or a percent
d)
An activity that gives various results
28.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
29.

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?

(Click on image to enlarge.)

a)

Yellow

b)

Red

c)

Blue

d)

Green

30.

If you choose from the following M & M colors, what is the probability that you choose blue?

5 green

6 yellow

8 blue

7 brown

a)

1/4

b)

4/13

c)

8/25

d)

1/3