# AQA AS Mathematics Key Terms.

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Acceleration.
Rate of change of velocity.
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Acceleration of freefall.
Rate of change of velocity cause by the force of gravity.
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Acceptance region.
A set of values for which the null hypothesis is not rejected in a statistical test, due to insufficient evidence to do so.
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Air resistance.
The resistance to motion an object has while travelling through the air.
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Alternative hypothesis.
How you think a parameter may have changed in a hypothesis test.
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Amplitude.
The maximum displacement from equilibrium position in a periodic function.
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Asymptote.
A line that a function gets close to but never touches.
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Average speed.
The total distance travelled divided by the time taken to do so.
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Biased.
A sample that doesn't represent the population very well.
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Binomial coefficients.
The constants in the terms from the binomial expansion ofan expression in the form (a+b)^n.
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Binomial distribution.
Probability distribution for the number of successes out of a certain number of trials where there are only two possible outcomes.
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Binomial expression.
An expression containing two terms.
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Binomial theorem.
A pattern used to quickly expand expressions with the form (a+b)^n.
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Bivariate.
Data that comes from the same source in pairs.
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Box-and-whisker plot.
A statistical diagram illustrating quartiles, range and median of a data set.
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Braking force.
A force causing an object to slow down or stop.
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## Other cards in this set

### Card 2

#### Front

Rate of change of velocity cause by the force of gravity.

#### Back

Acceleration of freefall.

### Card 3

#### Front

A set of values for which the null hypothesis is not rejected in a statistical test, due to insufficient evidence to do so.

#### Back ### Card 4

#### Front

The resistance to motion an object has while travelling through the air.

#### Back ### Card 5

#### Front

How you think a parameter may have changed in a hypothesis test.

#### Back 