BR 11/15/24 Data Distribution with Outliers

Front

What is the mode in a set of data?

Back

The mode is the number or item that appears most often in a set of data.

Front

How would you describe a distribution that is skewed to the left?

Back

A skewed left distribution has a longer tail on the left side, indicating that there are a few lower values pulling the mean down.

Front

What is the mean of a set of data?

Back

The mean is the sum of the numbers in a set of data divided by the number of pieces of data.

Front

What is an outlier in a data set?

Back

An outlier is a value that is much higher or much lower than the other values in a set of data.

Front

Which measure of center is best to use if there is an outlier in the data set?

Back

The median is the best measure of center to use if there is an outlier in the data set.

Front

What does it mean if a data set is normally distributed?

Back

A normally distributed data set has a symmetric bell-shaped curve where most of the data points cluster around the mean.

Front

What is the difference between the mean and median?

Back

The mean is the average of all data points, while the median is the middle value when the data points are arranged in order.

Front

How can outliers affect the mean of a data set?

Back

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

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is a box plot and what does it represent?

Back

A box plot is a graphical representation of a data set that shows the median, quartiles, and potential outliers.