Statistics

Front

What is the mode?

Back

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

Front

Can a data set have more than one mode?

Back

Yes, a data set can have more than one mode.

Front

What is the mean of the following data set: 9, 8, 12, 6, 10?

Back

The mean is 9.

Front

What is the definition of the range?

Back

The range is the difference between the largest and smallest numbers in a data set.

Front

Is Q1 the median of the lower half of the data values?

Back

True.

Front

What is the median?

Back

The median is the middle number in a sorted data set.

Front

How do you calculate the mean?

Back

Add all the numbers in the data set and divide by the total count of numbers.

Front

What does it mean if a data set is skewed?

Back

A skewed data set has a tail on one side, indicating that the data is not symmetrical.

Front

What is a frequency distribution?

Back

A frequency distribution shows how often each value occurs in a data set.

Front

What is a histogram?

Back

A histogram is a graphical representation of the frequency distribution of numerical data.