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