Updated Describing Data Flashcard Unit 7

Front

What does it mean for a data set to be symmetrical?

Back

A symmetrical data set is one that is a mirror image on both sides of the center point.

Front

What is the minimum value in a data set?

Back

The minimum value is the smallest number in the data set.

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order and identify the middle value.

Front

What is the median of the following data set: 21, 7, 32, 45, 28, 78?

Back

The median is 30.

Front

What is the median of the following data set: 10, 20, 30, 40, 50?

Back

The median is 30.

Front

What is the mean of a data set?

Back

The mean is the total of all scores divided by the number of scores.

Front

What is the mode of a data set?

Back

The mode is the most frequently occurring score in the data set.

Front

What does it mean for a data set to be skewed?

Back

A skewed data set is one that is not symmetrical and has a tail on one side.

Front

What is a unimodal distribution?

Back

A unimodal distribution has one clear peak or mode.

Front

What is a uniform distribution?

Back

A uniform distribution has all values occurring with the same frequency.