Introduction to statistics

What is the term for a single individual within a population?

• unit

• sample

• parameter

• statistic

What is the branch of statistics that involves drawing conclusions about a population based on information contained in a sample taken from that population?

• descriptive statistics

• inferential statistics

• sports statistics

• health statistics

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

What are characteristics that are defined by a number, such as age or weight?

• descriptive statistics

• inferential statistics

• categorical variables

• numerical variables

What is a characteristic of a population?

• unit

• sample

• parameter

• statistic

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

A science of collection, presentation of data.

• Population

• Statistics

• Analysis of Data

• None of the above

Discrete data are countable data.

• True

• False

Following are probability sampling technique except:

• Simple random sampling

• Snowball sampling

• Systematic sampling

• Stratified sampling

Systematic is the most effective in dealing with heterogeneous population.

• True

• False

Non-random sampling methods are used when generalization concerning the population is not required or when sampling frame are difficult to obtain.

• True

• False

Population or Sample?

The political party of every US president

• population

• sample