# Probability Vocab: Question Preview (ID: 28578)

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**What is central tendency?**

a) a way to describe data including mean, median and mode

b) information, especially numerical information

c) a group of items or events

d) a combination of simple events

**What is the mean?**

a) average

b) most frequent number

c) middle number

d) difference between highest and lowest number

**What type of problem involves solving real-life situations with math?**

a) theoretical probability

b) sample space

c) contextualized problems

d) fundamental counting principal

**Two events that cannot occur at the same time are called....**

a) independent events

b) mutually exclusive

c) probability

d) outcomes

**What do we call numerical information?**

a) central tendency

b) median

c) data

d) quartiles

**Which type of graph uses a point for each item being measured?**

a) histogram

b) bar graph

c) line graph

d) scatter plot

**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

**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) a statement of probability based on the results of a series of trials

c) finding the probability of an event without doing an experiment or analyzing data

d) a list of all possible outcomes of an activity

**Which type of events are mutually exclusive and cover all possible outcomes?**

a) complementary events

b) dependent events

c) outliers

d) theoretical probability

**What is a prediction?**

a) the chance of an event happening

b) information, especially numerical information

c) the chance of something happening

d) a statement of what somebody thinks will happen in the future

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