Introduction to Stats

A numerical characteristic of the POPULATION

• Statistic
• Parameter
• Observation
• Study

A quantity calculated from the observations in a SAMPLE.

• Parameter
• Study
• Statistic
• Observation

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

True or false:

In the statement “A survey of 500 adults in the U.S. found that 54% drink coffee daily” 54% is a parameter.

• A. TRUE

• B. FALSE

True or false:

The costs of items in a shopper’s grocery cart represent quantitative data.

• A. TRUE

• B. FALSE

Tags

CCSS.7.NS.A.3

CCSS.7.SP.B.4

True or false:

The social security numbers of students in a class represent quantitative data.

• A. TRUE

• B. FALSE

The purpose of descriptive statistics is to

• make decision

• describe data

• make estimation

• make hypothesis testing

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

CCSS.HSS.ID.B.5

Parameter is use for

• statistics

• sample

• population

• measurement

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

Qualitative data is a

• measurement that cannot be measured on a natural numerical scale

• recorded on natural occurring numerical scale

• for population only

• for sample only

Tags

CCSS.HSS.ID.B.5