Describing Distributions using SOCS

Front

What is the measure of center that is resistant to outliers?

Back

Median

Front

Back

6

Front

How would you describe a distribution that has a longer tail on the right?

Back

Skewed right

Front

What does standard deviation measure in a data set?

Back

The spread of the data around the mean

Front

If a data set is symmetric, what can be said about the mean and median?

Back

They are equal.

Front

What is the definition of the interquartile range (IQR)?

Back

The difference between the first quartile (Q1) and the third quartile (Q3).

Front

What does a box plot represent in a data distribution?

Back

It shows the median, quartiles, and potential outliers.

Front

What is the effect of outliers on the mean and median?

Back

Outliers can significantly affect the mean but have little effect on the median.

Front

What is a characteristic of a symmetric distribution?

Back

The left and right sides of the distribution are mirror images.

Front

How do you calculate the median of a data set with an even number of values?

Back

Average the two middle values.