Analyzing
Data
Graphs
Probability
Mixed
Problems
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Misc
• Jenny has played in 12 basketball
games this year. The following
list shows the number of points
that Jenny has scored in the 12
games. What must she score in
her last game to average 12
points per game?
• 9, 14, 11, 15, 10, 18, 12, 9, 10,
13, 5, 17
• Find the mean, median, and mode
of the following:
•-2, 5, 10, -6, 7, 5,
-2, 5, 10, -15, 14
•
Bus service is provided for
students living more than 1½
miles from school. The distances
for ten students are: ¼, ½, 1, 1,
1½, 3½, 4, 4, 6½, and 10. Find the
mean and mode. Also, how many
students are entitled to bus
service?
• Tom’s 6 test scores are
70, 80, 90, 92, 88, 96.
What must Tom score on
the 7th test to bring his
average up 1%.
• The average grade on a test
taken by 20 students was 75.
When one more student took
the test after school, the class
average became 76. What
score did that student receive?
•
Tammy wants to show the
relationship between her test
scores and the number of hours
she studies each week. What
type of graph is best for Tammy
to make?
• Bar graph, scatter plot,
circle graph, or
box-and-whisker plot
• The upper quartile is?
51
59
73
82
97
• Total Expenses are $18,000. How
much was spent on Rent?
• The table
shows the ages
of 30 tennis
players. Which
statement is
true?
•
•
•
•
Median
Median
Median
Median
>
=
<
>
Mode
Mode
Mode
Mean
Age
Frequency
19
18
17
16
15
6
6
12
4
2
How many members
spent 10 or more hours in
community service?
Youth Group Community Service
Number of Students
•
7
6
5
4
3
2
1
0
0
1-3
4-6
7-9
10-12
Number of Hours
13-15
16-18
18 or
more
•
Sandy is going hiking in the woods.
She will use the following map of
trails to help her plan her route.
How many different routes can
Sandy take from Dove Point to Jones
Pass?
Blue Cliff
Dove
Point
Jones Pass
Curly
River
•The probability that
Smith Agency will
win a new contract is
.3. What is the
probability that it will
not win the contract?
• License plates in Huron County
will be of the form *###**,
where * is a letter and # is a
digit from 0 to 9 inclusive. The
first letter must be either W, X,
Y, or Z, and the last letter must
be A or B. If repetition of digits
and letters is possible, how
many different license plates
are possible in Huron County?
• Sam has a bag of marbles. 9
are black, 8 are red, 7 are white
and 5 are green. Without
looking Sam draws two
marbles. He replaces the first
marble before drawing the
second marble. What is the
probability that he first picks a
black marble and then picks a
green one?
• At the festival, John can win a prize
if he shoots an arrow into 25-, 50-, or
100-point region of a 12 in. by 12 in.
dartboard. The radii of the
concentric circles are 2, 4, and 6
inches respectively. Assume John’s
arrow lands on the board. Find the
probability of John hitting the bulls
eye to the nearest tenth percent.
25
50
100
•A spinner is divided into
five equal parts numbered
1,2,3,4,5. If the arrow is
spun what are the odds it
will stop on a prime
number?
•
Based on the chart, when did
the greatest increase in dollars
raised occur?
French Club Fund Raising
60
Dollars
50
40
30
20
10
0
1
2
3
4
5
Week
6
7
8
•A pizza can be ordered in
three sizes: small, medium, or
large. One of three toppings
can be ordered: pepperoni,
mushrooms, or onions. How
many different ways can the
pizza be ordered?
•Jim filled a box with empty jars
that each have a diameter of 20
centimeters. If Jim throws a
penny into the box, what is the
probability of the penny landing
in a jar?
60 cm
80 cm
•Find the interquartile range
for the following data.
•50, 42, 77, 25, 72, 55, 19,
58, 55, 60, 65, 75, 85, 80
•How
many different
ways can the letters
in the word MONEY
be arranged?
•There are 4 entrances to a
building, 3 escalators up, and
2 escalators down. How many
ways can a person enter from
outside, go to the second
floor, return to the first floor,
and then leave the building?
•A box of identically shaped
candies contains 3 chocolate,
4 butterscotch, and 2 berry.
Chris closes her eyes and
picks three candies. Find the
probability that she will get 2
butterscotch and 1 chocolate
in that order.
•A class of 24 students was
surveyed to find favorite
toppings on pizza as follows:
Sausage-9
Bacon-4
Pepperoni-3 Peppers-2
Mushrooms-6
In a circle graph what would the
central angle of Sausage equal?
•Consider the following scores:
12, 56, 62, 66, 74, 83, 88, 90,
93, 96
If the outlier, 12 is removed
from the set above, what is the
approximate increase in the
mean of the remaining scores?