One
Dos
Trois
Vier
100
Drinks are purchased from a vending machine. Are the outcomes of each purchase independent or dependent?
Dependent
100
Select the option that shows a pair of dependent events:
A. Parking a vehicle illegally, and getting a parking ticket.
B. Winning a card game and running out of food to eat.
C. Taking a cab home and finding your favorite book on a bookshelf.
D. Riding in a vehicle and finding your missing cat.
A. Parking a vehicle illegally, and getting a parking ticket.
100
Identify the outlier(s) in the data set {73,77,81,86,131}.
131
100
A coin was flipped 178 times with 93 tails recorded.
What is the exact experimental probability of flipping tails with this coin?
93/178
200
The 5 numbers 11,13,9,13,9 have a mean of 11. If a new number is added that is smaller than 9, will the mean be higher or lower?
Lower
200
Find the mode of the following scores:
2,2,6,8,8,8,8,12,14,14,14,14,18,18
If there are multiple modes, write all of them on the same line, separated by a comma.
8, 14
200
Find the range of the following set of scores:
10,19,19,7,20,14,2,11
17
200
Find the median of this set of scores:
11, 11, 13, 14, 18, 22, 23, 25
16
300
Find the median of 7,4,6,3. Leave your answer to one decimal place if necessary.
5
300
There are 4 green counters and 8 purple counters in a bag. What is the probability of choosing a green counter, not replacing it, then choosing a purple counter?
Make sure to fully simplify your answer.
8/43
300
A letter is randomly selected from the alphabet. Find the following probabilities:
a. P (J)
b. P (Any letter after T)
c. P (Any letter between H and N)
d. P (Any letter before F)
a. 1/26
b. 3/13
c. 5/26
d. 5/26
300
The range of a set of scores is 8, and the greatest score is 19.
What is the least score in the set?
11
400
Consider the box plot below. (13)
a. Find the minimum and the maximum values of the data.
Minimum=
Maximum=
b. Find the value of the median.
Median=
c. Find the values of the lower and upper quartile.
Lower quartile=
Upper quartile=
a. Minimum= 2
Maximum= 38
b. Median= 26
c. Lower quartile= 8
Upper quartile= 36
400
Answer the following given this set of scores:
13,15,5,16,7,20,12
a. Sort the scores in ascending order.
b. Find the total number of scores.
c. Find the median.
d. Find the range.
e. Find the first quartile of the set of scores.
f. Find the third quartile of the set of scores.
g. Find the interquartile range.
a. 5, 7, 12, 13, 15, 16, 20
b. 7
c. 13
d. 15
e. 7
f. 16
g. 9
400
6. Find the mean of the following scores:
8, 15, 6, 27, 3.
11.8
400
A set of data has a mode of x, the outlier is removed and the mode will:
A. Rise
B. Not change
C. Lower
Not Change
500
For the box plot shown below, find each of the following: (17)
Least score:
Greatest score:
Range:
Median:
Interquartile Range:
Least score: 3
Greatest score: 18
Range: 15
Median: 10
Interquartile Range: 7
500
Identify the type of relationship in the following scatter plot.
Negative
500
From the scatter plot given, we can conclude that: (19)
A. The worse someone’s vision, the taller they are.
B. There is no direct relationship between someone’s vision and their height.
C. Those who are taller have better vision.
There is no direct relationship between someone’s vision and their height.
500
The following scatter plot graphs data for the number of people in a room and the room temperature collected by a researcher. (20)
a. Determine which of the following graphs contains the line of best fit.
b. Use the line of best fit to estimate the room temperature when there are $$35 people in the room.
c. Use the line of best fit to estimate the room temperature when there are 100 people in the room.
B
B
B