Data and Statistics Review

Front

What is the mode in a data set?

Back

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

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order and find the middle value. If there is an even number of values, average the two middle numbers.

Front

What does it mean if data is skewed right?

Back

If data is skewed right, it means that the tail on the right side of the distribution is longer or fatter than the left side.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

How do you determine the mode from a dot plot?

Back

The mode is the value that has the highest number of dots above it in the dot plot.

Front

What is the difference between mean and median?

Back

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

Front

What does it mean if the mode is greater than the median?

Back

If the mode is greater than the median, it may indicate that the data is skewed to the left.

Front

How can you tell if data is symmetric?

Back

Data is symmetric if the left and right sides of the distribution are mirror images of each other.

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs.

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.