ALL of the people in the United States POPULATION ALL of the people in the United States The entire group about which information is desired. Think of this as “THE ALL”.

ALL of the apples in an orchard POPULATION ALL of the apples in an orchard The entire group about which information is desired. Think of this as “THE ALL”.

ALL of the penguins in a region POPULATION ALL of the penguins in a region The entire group about which information is desired. Think of this as “THE ALL”.

A small group of people in the United States sample A small group of people in the United States

A small basket of apples from the orchard sample A small basket of apples from the orchard

A small group of penguins from this region sample A small group of penguins from this region

POPULATION sample The ALL. The small.

What is the parameter for determining if someone is overweight? Choose the best meaning for parameter in the above sentence. A. The range where all possible answers fall B. The total outside length C. A limit, boundary, rule D. The whole population being described

The parameter for mean GPA was 2.86. Choose the best meaning for parameter in the above sentence. A. A measure of proportion B. A collection of data from a population C. The total outside length D. A numerical characteristic of a population

What is the parameter for determining if someone is overweight? Choose the best meaning for parameter in the above sentence. Colloquial definition: A. The range where all possible answers fall B. The total outside length C. A limit, boundary, rule D. The whole population being described

The parameter for mean GPA was 2.86. Choose the best meaning for parameter in the above sentence. Statistical Definition A. A measure of proportion B. A collection of data from a population C. The total outside length D. A numerical characteristic of a population

POPULATION sample PARAMETER The ALL. statistic The small. What is the mean penguin weight for ALL penguins who live in Antarctica? This numerical value is a PARAMETER What is the mean penguin weight for a sample of 12 penguins who live in Antarctica? This numerical value is a statistic

Parameters and Statistics POPULATION PARAMETER sample statistic A numerical value about the ALL The mean IQ of ALL people in the United States The percentage of ALL apples in the orchard that are bruised or discolored (bad apples!) The mean weight of ALL King penguins in Antarctica A numerical value about the small The mean IQ of a small group of 30 people in the United States The percentage of a small basket of 100 apples in the orchard that are bruised or discolored The mean weight of a small group of 12 King penguins in Antarctica

References Slide 1: http://govbooktalk.gpo.gov/?s=imerito+blog Slide 2: www.123rf.com/stock-photo/apple_orchard.html #7764930 Slides 3: http://www.earthshots.org/2008/02/penguins-penguins-penguins-by-sian/ Slide 4: www.shutterstock.com #242622958 Slide 5: www.Thinkstockphotos.com #488524238 Slide 6 : http://www.penguins-world.com/penguin-habitat/ Slide 12: http://www.earthshots.org/2008/02/penguins-penguins-penguins-by-sian/ http://www.penguins-world.com/penguin-habitat/