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Algebra 2 Unit 10 Review PART 1

Total questions: 42

Worksheet time: 2hrs 19mins

Name
Class
Date
1.

What kind of slope would the graph of the model have?

a)

Positive

b)

Negative

c)

There's no association

2.

What kind of slope would the graph of the model have?

a)

Positive

b)

Negative

c)

There's no association

3.
Which sentence describes the relationship shown on this scatter plot?
a)
As the temperature decreases, the visitors increase. 
b)
As the temperature increases, the number of visitors increases. 
c)
As the visitors increase, the temperature decreases. 
d)
No correlation
4.

What is the equation of the line of best fit?

a)

y= 2x

b)

y=3x+7

c)

y= 12x +3\frac{1}{2}x\ +3

d)

y= −12x −3-\frac{1}{2}x\ -3

5.

What is the equation of the line of best fit?

a)

y= −12x + 6-\frac{1}{2}x\ +\ 6

b)

y= 12x +6\frac{1}{2}x\ +6

c)

y= 6x + 2

d)

y = -2x +6

6.
Based on the graph, if Joe earned $400, how many hours did he work?
a)
25 hours
b)
35 hours
c)
45 hours
d)
15 hours
7.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
8.

The mean is found by ___________________ all of the numbers and then _____________________ by the number of items.

a)

adding, subtracting

b)

adding, multiplying

c)

dividing, adding

d)

adding, dividing

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.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
a)
193
b)
127
c)
60
d)
66
12.

What is the MEDIAN of this set of data?

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

a)

50

b)

60

c)

55

d)

45

13.
The scores awarded to 25 students for an assignment were as follows:
4  7  5  9  8  6  7  7  8  5  6  9  8    5  8  7  4  7  3  6  8  9  7  6  9
What is  the mode?
a)
6
b)
7
c)
8
d)
9
14.

Calculate the mean: 81, 69, 72, 80, 67, 62, 78, 74, 71, 86

a)

82.2

b)

92

c)

67.2

d)

74

15.

Mr. Holland gives his class a test. The results are: 34%, 44%, 75%, 21%, 98%, 86%, 71%, 76%, 63%, 55% How many students scored above the mean percentage?

a)

4

b)

5

c)

6

d)

7

16.
What is the term for the median of the upper half of the data?
a)
Upper Quartile
b)
Lower Quartile
c)
Median
d)
Minimum
17.
What is the median of the data?
a)
200
b)
100
c)
90
d)
140
18.
What is the IQR of the Cruisers?
a)
4
b)
6
19.
What data value is the upper quartile (Q3)?
a)
64
b)
62
c)
66
d)
58
20.

What was the maximum (greatest value) amount someone spent on groceries?

a)

40

b)

60

c)

140

d)

150

21.

What percentage of the data is between 40 and 90?

a)

25 %

b)

50%

c)

75%

d)

100%

22.
Which city has a lower IQR?
a)
City A
b)
City B
23.

Find Q1 of the following numbers:

84, 88, 72, 74, 98, 16, 94

a)

72

b)

88

c)

94

d)

There is no Lower Quartile.

24.

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

a)

75%

b)

50%

c)

100%

d)

25%

25.

What percent of students has a height between 58 inches and 60 inches?

a)

25%

b)

50%

c)

75%

d)

100%

26.
What is the minimum in this data set?
a)
0
b)
4
c)
9
d)
40
27.

This shows how many baseball cards a group of friends have in their collections. How many friends have baseball card collections with more than 70 cards?

a)

7

b)

8

c)

9

d)

4

28.

In how many games did the team score less than 10 points?

a)

1

b)

4

c)

3

d)

5

29.

The diagram shows the heights of Mr Pearce's plants


How many plants does Mr Pearce have?

a)

19

b)

20

c)

53

d)

25

30.

How many dogs weigh 82 lbs?

(Use the stem and leaf plot.)

a)

0

b)

2

c)

82

d)

1

31.

What was the dog with the biggest weight?

(Use the stem and leaf plot.)

a)

89

b)

90

c)

17

d)

1

32.

The probability of David passing his driving test is 0.7. What is the probability of David failing the test?

a)

0.7

b)

0.3

c)

0

d)

1

33.

The probability of an event is 8/9. What's the probability of the complement to this event?

a)

1/9

b)

1

c)

2/9

d)

8/9

34.

You are at the movies with your friends and decided to buy a small bag of gummy bears. There are 4 red bears, 5 green bears, and 3 yellow bears in the bag. What is the probability that you will get yellow gummy bears and then red gummy bears?

a)

The probability is 3/11

b)

The probability is 1/11

c)

The probability is 3/132

d)

The probability is 3/12

35.
P(1 and A)
a)
1/16
b)
1/10
c)
4/16
d)
1/4
36.
A basket contains 5 purple pencils and 9 brown pencils. If two pencils are picked at random one after the other without replacement, then what is the probability that both the pencils are purple?
a)
9/182
b)
5/182
c)
2/91
d)
10/91
37.

A jar contains 12 caramels, 7 mints and 16 dark chocolates. What is the probability of selecting a dark chocolate and then a caramel?

a)

12/35 x 12/34

b)

16/35 x 12/34

c)

16/35 x 12/35

d)

12/35 x 16/34

38.

Diamond is playing a game. In the game she has to spin a spinner that is divided into 4 equal sections of green, red, blue, and yellow. What is the probability that on her first spin she will land on green and then red on her second spin?

a)

1/8

b)

1/16

c)

1/4

d)

1/2

39.

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter that is not “A”?

a)

2/7

b)

5/7

c)

5/49

d)

10/49

40.
P(not A) = 
*Remember to simplify.*
a)
6/8
b)
3/4
c)
2/8
d)
1/4
41.
A jar contains 2 green marbles, 4 blue marbles, 3 yellow marbles, and 2 black marbles. A marble is chosen at random from the jar and replaced. Then a second marble is chosen at random. Find the probability of the first marble being green and the second marble being yellow. 
a)
4/121
b)
8/121
c)
3/121
d)
6/121
42.
What is the probability of spinning a prime number? 
a)
1/2
b)
2/3
c)
1/6
d)
0

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