Easy Multiple Choice
The value of 5! is ________?
a. 15
b. 60
c. 120
d. 3,125
c. 120
Which of the following is usually the most affected by outliers?
a. mean
b. median
c. mode
d. quartile
a. mean
The name for the difference between the largest and smallest data values is the range.
true
________ is used to find the probability of two events joined by "or".
addition
The number 1 through 10 are written on pieces of paper and placed in a hat. What is the probability of randomly drawing _______?
a number less than 4
3/10
What is the correct premutation notation for the number of possibilities for selecting a president, vice president, treasurer, and secretary from a group of 10 students?
a. 10p4
b. 6p4
c. 10p6
d. 4P10
a. 10p4
When evaluating an equation, the number substituted into the equation is the ________?
a. y-value
b. input
c. output
d. dependent variable
b. input
The name for the median of the upper half of the data values is the third quartile.
true
When two events are ________, the occurence of one does not affect the probability of the other occurring.
independent
The number 1 through 10 are written on pieces of paper and placed in a hat. What is the probability of randomly drawing _______?
a 2 and then an even number if the 2 is replaced
1/20
Which of the following types of graphs is used to show the change in data over time?
a. bar graph
b. circle graph
c. histogram
d. line graph
d. line graph
Which of the following is a valid list of probabilities?
a. 0.2,0.5,0.4
b. 0.6,-0.3,0.7
c. 33%,13%,38%,16%
d. 20%,13%,40%,17%
c. 33%,13%,38%,16%
Independent events are events that cannot happen at the same time.
mutually exclusive
The type of transformation pictured on the graph below is a __________
translation
Find the mean median and mode for the set of data
4 6 2 7 9 5 4 11 15
mean 63/9=7
median 6
mode 4
Which of the following types of graphs groups data into classes?
a. box and whiskers plot
b. histogram
c. scatter plot
d. line graph
b. histogram
In a circle graph that represents a survey of 400 people, how many people are represented by a sector labled 25%?
a. 25
b. 90
c. 100
d. 300
c. 100
The branch of mathematics in which data is collected and studied is called probability.
statistics
The name for the list of all possible outcomes is ___________
sample space
Use the graph provided ( pg 106) to answer the following questions.
a. In which quadrant is point C located?
b. What is the y intercept for line AB?
c. The slope for line AB is _______?
d. What type of slope does line CD have?
a. Quadrant 11
b. (0,6)
c. -3/2
d. undefined
When only the total number of outcomes for a situation is needed, which of the following methods would be best?
a. exhaustive list
b. factorial
c. fundamental counting principle
d. tree diagram
c. fundamental counting principle
Which of the following equations is in slope- intercept form?
a. 3+y=2x
b. 1/y=4x-2
c. y=1/3x+1
d. x+y=12
c. y=1/3x+1
Probability where each outcome is assumed to be equally likely is called theorotical probability.
theoretical
The probability notation for finding the complement of event A is ___________.
P(Ac)
While walking through an animal shelter, Brian recorded whether each dog or cat was at play or resting. The results are shown on the table provided.
a. What percent of dogs were playing?
b. What percent of all animals were playing?
c. What percent of animals playing were dogs?
a. ~ 67%
b. 72%
c. ~44%