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Ariana Has Just Moved to a New Apartment

question 13

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Ariana has just moved to a new apartment.A few days after moving she received a letter from Bed,Bath,and Beyond with a coupon for merchandise she may need in her new apartment.This is an example of the database marketing technique known as trawling.


Definitions:

Trimmed Mean

A method of averaging that removes a specified percentage of the largest and smallest values before calculating the mean.

BCa Interval

Short for Bias-Corrected and Accelerated Interval, it's a type of confidence interval that adjusts for both bias and skewness in bootstrap distributions.

Bootstrapping

A statistical method that involves drawing repeated samples from a dataset to estimate a population parameter.

Mean

The mathematical average of a set of numbers, determined by dividing the sum of the values in the set by the number of values.

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