Organizing Data in Statistics

The sum of all numbers in a data set is 450. If the mean of the data set is 15, how many observations were there?

• 30

• 15

• 450

• 60

What is Statistics?

• A branch of mathematics that deals with data.

• A branch of science that concerns with the scientific method.

• A branch of science dealing with collecting, organizing, summarizing, analyzing and making decisions from data.

• A branch of mathematics dealing with collecting, organizing, summarizing, analyzing and making decisions from data.

It is a set of individuals or objects collected or selected from a statistical population by a defined procedure.

• Sample

• Parameter

• Statistics

• Population

Determine whether the numerical value is a parameter or statistic:

A survey of 2514 college board members found that 38% think that higher education costs what it should relative to its value.

• Parameter

• Statistic

A statistical method concerned with describing the properties and characteristics of a set of data. It involves data gathering, organizing, describing, and presenting these information.

The average annual salary for 35 of a company's 1200 accountants is $68,000.

• parameter

• statistic

BLANK is the science of collecting, organizing analyzing, and interpreting data in order to make decisions.

• Data

• population

• statistics

• sample

BLANK consists of information coming from observations, counts, measurements, or responses.

• Population

• Data

• Statistics

• sample

Blank the branch of statistics that involves the organization, summarization, and display of data (numbers and facts)

• Descriptive Stats

• Statistic

• parameter

• Inferential Stat

Blank- consists of numerical measurements or counts.

• Qualitative

• Quantitative

• Ordinal

• Norminal