Outliers

Front

What is an outlier?

Back

An outlier is a data point that differs significantly from other observations in a dataset.

Front

How do you find the range of a dataset?

Back

The range is found by subtracting the lowest number from the highest number in the dataset.

Front

What is the mean of a dataset?

Back

The mean is the average of all the numbers in a dataset, calculated by adding them together and dividing by the total count.

Front

What does 'mode' refer to in statistics?

Back

The mode is the number that appears most frequently in a dataset.

Front

What is the median of a dataset?

Back

The median is the middle value when the numbers are arranged in order.

Front

How do you identify an outlier in a dataset?

Back

An outlier can be identified by looking for values that are significantly higher or lower than the rest of the data.

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all data points) / (Number of data points)

Front

What is the difference between mean and median?

Back

The mean is the average, while the median is the middle value when data is ordered.

Front

What is a dataset?

Back

A dataset is a collection of related data points or values.

Front

How can outliers affect the mean of a dataset?

Back

Outliers can skew the mean, making it higher or lower than the central tendency of the rest of the data.