1/7 - Intro to Statistics HW #1

Identify the population:

A survey of 500 adults in the U.S. found that 54% drink coffee daily.

• A. Collection of the 500 adults surveyed

• B. Collection of all adults in the U.S.

• C. 54%

• D. 500

Identify the sample:

A survey of 500 adults in the U.S. found that 54% drink coffee daily.

• A. Collection of the 500 adults surveyed

• B. Collection of all adults in the U.S.

• C. 54%

• D. 500

A science of collection, presentation of data.

• Population

• Statistics

• Analysis of Data

• None of the above

Statistics which is concerned with summarizing values to describe group characteristics of the data.

• Descriptive

• Inferential

• Parametric

• Non Parametric

Statistics which is concerned with a higher order of critical thinking and judgment.

• Descriptive

• Inferential

• Parametric

• Non Parametric

Each and every element of a large group of data.

• Population

• Sample

• Variable

• Data

Is this a statistical question? "How many pairs of tennis shoes do the students in our school have?"

• Yes, this is a statistical question

• No, this is not a statistical question

The seniors at Kennedy High School are going to vote where the senior trip should be. The Teachers need 100 votes before they can make a final decision. Identify the population.

• Seniors at Kennedy High School

• Teachers at Kennedy High School

• 100 senior voters

Why is statistics important?

• To solve problem

• Help to investigate relationship between variables

• Help in making wise decision

• To provide solution/option for problem based on proper statistical study

Inferential vs descriptive statistics??

1) Making statements for the population based on samples

• Descriptive

• Inferential