Determining If There Are Any Duplicate Customers in the Data

question 52

True/False

Determining if there are any duplicate customers in the data is an example of a unique characteristic of high-quality information.

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Definitions:

75th Percentile

The value below which 75% of the data points in a dataset lie.

Q3

The third quartile in a data set, representing the value below which 75% of the data falls.

Q1

Stands for the first quartile in a data set, which is the median of the lower half of the data set.

Q2

Often refers to the median in the context of quartiles in descriptive statistics, which divides a data set into two equal parts.