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