Janna is making a prediction of the frequency of a key that is 12 keys from middle

Cwhich best describes her prediction? interpolation, because a key that is 12 keys from middle c is within the data set interpolation, because a key that is 12 keys from middle c is outside the data set extrapolation, because a key that is 12 keys from middle c is within the data set extrapolation, because a key that is 12 keys from middle c is outside the data set

Among the choices the one that best describes her prediction is "extrapolation, because a key that is 12 keys from middle C is outside the data set".

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MsEHolt MsEHolt · Answer 2 · 2018-07-01T21:42:53-04:00

The correct answer is:

Extrapolation, because a key that is 12 keys from middle c is outside the data set.

Explanation:

Interpolation is inserting an intermediate value into an existing series using estimation or calculations from nearby values. A key 12 keys from middle C is not in the data set involved, so this is not interpolation.

Extrapolation involves using a trend or pattern to estimate unknown values past the values we have. Since this key would be past our data set that we have, this would be extrapolation.