Unit 8 - Data and Stats

Front

What is the total number of students in a science class if there are 27 students?

Back

27

Front

Which interval shows the greatest number of pets: 15-19, 0-4, 5-9, or 10-14?

Back

15-19

Front

What does the standard deviation tell us about a data set?

Back

It tells us how spread out the numbers are.

Front

Identify the outlier in the following data set: 23, 34, 27, 7, 30, 26, 28, 31, 34.

Back

7

Front

Which class has the higher median: 1st period or 2nd period?

Back

2nd period

Front

What is a data set?

Back

A collection of numbers or values that represent a particular variable.

Front

Define 'mean' in statistics.

Back

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

Front

What is a 'mode' in a data set?

Back

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

Front

Explain what a 'range' is in statistics.

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is a 'bar graph'?

Back

A bar graph is a visual representation of data using bars to show the frequency of categories.