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Probability Vocab
Test Description: Unit 1: Probability
Instructions: Answer all questions to get your test result.
1) What is central tendency?
A
information, especially numerical information
B
a combination of simple events
C
a way to describe data including mean, median and mode
D
a group of items or events
2) What is the mean?
A
difference between highest and lowest number
B
middle number
C
average
D
most frequent number
3) What type of problem involves solving real-life situations with math?
A
sample space
B
theoretical probability
C
fundamental counting principal
D
contextualized problems
4) Two events that cannot occur at the same time are called....
A
independent events
B
mutually exclusive
C
outcomes
D
probability
5) What do we call numerical information?
A
median
B
quartiles
C
central tendency
D
data
6) Which type of graph uses a point for each item being measured?
A
bar graph
B
scatter plot
C
histogram
D
line graph
7) What is the standard deviation?
A
the mean
B
a measure of how spread out numbers are; equal to the square root of the variance
C
a list of all the possible outcomes of an activity
D
the chance of an event happening
8) What is experimental probability?
A
two events in which the outcome of the first event does not affect the outcome of the second event
B
finding the probability of an event without doing an experiment or analyzing data
C
a list of all possible outcomes of an activity
D
a statement of probability based on the results of a series of trials
9) Which type of events are mutually exclusive and cover all possible outcomes?
A
complementary events
B
theoretical probability
C
outliers
D
dependent events
10) What is a prediction?
A
information, especially numerical information
B
the chance of something happening
C
a statement of what somebody thinks will happen in the future
D
the chance of an event happening
*select an answer for all questions
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