Introduction to Statistics

Study the data set shown. 
15, 14, 19, 16, 22, 20, 17, 20, 29, 21, 18
Which statement is true about this set of data?

• The range is 3
• The range is 20
• The median is 18.5
• The median is 19

descriptive information data

numerical information data

counted data

step one in collecting data

it is you survey a small group or asking everybody

To be a good sample, each person should be chosen ___________

you can survey people through ________ (give one)

Measured data

Customers in a shop

• discrete

• continouos