Chapter 2 Introduction Statistics

What is a the meaning for "median"?

• fair share

• middle

• repeats the most

• variation

What is the median?

• 62

• 58

• 66

• 60

What is the range of the set of data?

• 70

• 65

• 80

• 55

A bar graph used to display data grouped into intervals.

• bar graph

• line graph

• stem and leaf plot

• histogram

Find the midpoints.

• 25.5, 35.5, 45.5, 55.5, 65.5, 75.5

• 20.5, 30.5, 40.5, 50.5, 60.5, 70.5, 80.5

• 21, 31, 41, 51, 61, 71

• 30, 40, 50, 60, 70, 80

Another word for average is

• sample 

• mean

• data

• numerical data

What is the class mark of the third row?

• 24

• 24.5

• 25

• 25.5

It is the branch of applied mathematics dealing with data collection, organization, analysis, interpretation and presentation.

• Algebra

• Trigonometry

• Statistics

• Geometry

What is the total frequency?

• 200

• 215

• 224

• 225

A scientific body of knowledge which deals with collection, presentation, interpretation and analysis of data.

• Probability

• Statistics

• Sequence

• Geometry