Flashcards in quantitative ability 3 Deck (11)

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1

## central tendency

### a measure of the "middle" of a set or sample of numbers

2

## mean

### the average of a set or sample of numbers (or terms)

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## median

### depending on the number of terms in a set or sample, this can be the middle number (for a set with an odd number of numbers) or the average of the two middle numbers (for a set with an even number of numbers)

4

## mode

### the most frequent term in a set or sample of numbers

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## variance

### this measures how much the square of the difference of the data and the mean is

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## standard deviation

### the positive square root of the variance

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## experiment

### a situatin involving chance or probability that leads to results called outcomes

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## outcome

### the result of a single trial of an experiment

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## event

### a set of one or more outcomes of an experiment

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## elementary event

### the event which is a set consisting of one outcome

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