Mean,Median,Mode,Range/Statistical Questions

Front

What is a statistical question?

Back

A statistical question is one that anticipates variability in the data and can be answered by collecting data. For example, 'How many hours do students in your class study each week?' is a statistical question.

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

How do you calculate the median?

Back

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

Front

What is the mode?

Back

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

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

Calculate the mean of the following numbers: 2, 9, 10, 6, 8.

Back

The mean is 7.

Front

What is the median of the following numbers: 36, 42, 28, 52, 48, 36, 31?

Back

The median is 36.

Front

If Christian's grades are 100, 96, 96, 88, 70, and 100, what is the average grade?

Back

The average grade is 92.

Front

Identify the mode of the following set: 4, 1, 2, 2, 3, 4, 4.

Back

The mode is 4.

Front

What is the range of the following numbers: 5, 10, 15, 20?

Back

The range is 15 (20 - 5).