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