Statistics Vocabulary Words

Independence in statistics is...

• the occurrence of one outcome does not affect the probability of the occurrence of the other

• two mutually exclusive probabilities that are conditional

• two mutually exclusive probabilities that are conditional

• the occurrence of 2 or more outcomes that affects the probability of the occurrence of the other

The odds of an event is...

• The chance that something will happen

• The greatest number of times an event will occur

• The change an outcome will not occur

• A ratio of the number of ways something can occur to the number of ways it cannot occur

What is an event (in statistics and probability)?

• some subset of outcomes from the sample space

• all of the outcomes in a sample space

• the probability of going out to a dance

• a subset of the outcomes from the complement

Variables that can only take on a finite number of values are called

• discrete variable

• continuous variable

• binomial variable

• normal variable

A variable that has an infinite number of possible values

• discrete variable

• continuous variable

• binomial variable

• normal variable

This is an example of a ....

• normal distribution

• skewed distribution

• exponential distribution

• discrete distribution

The z-score represents.....

• the amount of standard deviations a data value is above or below the mean.

• the percentile the data value is above or below the mean.

• the amount of standard deviations a data value is above or below the median.

• the percent the data value is above or below the mean.

What is the IQR?

• 10

• 40

• 50

• 20