Common Assessment 2

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 that varies.

Front

Which of the following is NOT a statistical question?

Back

What color is Mrs. Holmes' eyes?

Front

How do you find the Mean Absolute Deviation (MAD) of a set of numbers?

Back

1) Find the mean. 2) Find the difference of each data point from the mean. 3) Find the mean of the differences.

Front

What is the formula to calculate the range of a set of numbers?

Back

Range = Maximum value - Minimum value.

Front

What is the Interquartile Range (IQR)?

Back

The IQR is the difference between the third quartile (Q3) and the first quartile (Q1) in a data set.

Front

How do you find the Interquartile Range (IQR) on a box plot?

Back

Subtract Q1 from Q3.

Front

What does it mean if a question is not statistical?

Back

It means the question does not involve variability or data collection.

Front

If Roger's bowling scores are 155, 165, 138, 172, 127, 193, 142, what is the range?

Back

66.

Front

What is the first step in finding the mean of a data set?

Back

Add all the numbers together.

Front

What is the second step in finding the mean of a data set?

Back

Divide the sum by the number of data points.