Week 1 STAT 154

There are 50 state capitols in the United States.

Do not have natural starting point. Example temperature, date...

Californians, Texans, New Yorkers, Minnesotans 

I selected 10 students I am the advisor of

The complete collection of all elements under  study. 

In my class, I divided male and female students selected 5 from male and 5 from female using simple random sample.

The subcollection of the members from the  population. 

All students are divided by their major like: Engineering, Math, Chemistry, Biology then I randomly selected two majors.

Can be arranged in order but the differences are  meaningless. Example:-  low, medium, high. 

Can not be arranged in order. Example:-  red, blue, white. 

Small, Medium, Large

Consists of numbers representing counts or  measurements. Example: - height, weight, age. 

Depth of Minnesota river

A market researcher plans to conduct a survey by selecting every 20th name from the list 

In a random sample of households, 47% of the sampled household had high-definition TV.

Can take infinite number of values between two values. Example 1.7: height, weight. 

The interval data with additional property that there is also a natural zero starting point. Example height, weight....

Body temperature

Can be separated into different  categories. Example; - gender, religion. 

Height of a person

observations that have been collected

Can take numbers that can be counted. Example 1.8: number of people, number of vehicles.