Statistics as a Tool for Social Research

Good Afternoon

Week 5

Poll

How much do you enjoy "blended" or remote learning?

• I do not like it at all

• I like it

• I love it, I wish we had always done this!

• I like it a little

• I really like it

Basic Terms and Concepts

Multiple Choice

What is the total collection of all cases in which the researcher is interested and wishes to understand better?

• sample

• population

• parameter

• estimate

Multiple Choice

What is a carefully chosen subject of a population?

• sample

• population

• estimate

• parameter

Multiple Choice

What describes the characteristics of a population?

• sample

• estimate

• parameter

• population

Multiple Choice

What describes the characteristics of a sample?

• sample

• estimate

• parameter

• population

Multiple Select

What is statistics?

• branch of scientific methodology that deals with empirical data

• deals with the collection, classification, description & interpretation of data

• essential purpose is to describe and draw inferences about the numerical properties of the population

Multiple Choice

Two branches of statistics are________________ and ___________.

• engineering and chemistry

• mathematical and inferential

• inferential and descriptive

• hard and easy

What are the differences of descriptive and inferential statistics?

Multiple Choice

_____________________ statistics consists of generalizing from samples to populations, performing estimations and hypothesis tests, determining relationships among variables, and making predictions.

• inferential

• population

• descriptive

• mathematical

Multiple Choice

_____________________ statistics consists of the collection, organization, summarization and presentation of data.

• inferential

• population

• descriptive

• mathematical

Tell if the statement is Descriptive or Inferential

Multiple Choice

A recent survey of 2000 adults having an MBA reported that the average salary is more than $65,000 a year.

• descriptive

• inferential

Multiple Choice

A prediction has been made that the chance that a person will be robbed in a certain city is 15%.

• descriptive

• inferential

Multiple Choice

The chances of you getting a new car is about the same as passing your math class.

• descriptive

• inferential

Multiple Choice

From a past study, it was found that 56% of women are the primary investors in their households.

• descriptive

• inferential

Multiple Choice

10% of college students are predicted to travel out the country during spring break.

• descriptive

• inferential

Multiple Choice

How many more people have purple for a favorite color than red?

• 3

• 7

• 5

• 9

Multiple Choice

The number of orange Skittles in a bag.

• discrete

• continuous

Multiple Choice

Joe is losing an average of .5 pounds a week.

• discrete

• continuous

Earlier...

Poll

On a scale from 1 to 5, how much do you enjoy "blended" or remote learning?

• 5

• 4

• 3

• 2

• 1

Multiple Choice

What's your favorite subject in school?

• categorical

• quantitative

Multiple Choice

How many countries have you visited in your lifetime?

• categorical

• quantitative

Dependent and Independent variables

Multiple Choice

While on vacation, Heather plans to write some postcards to her friends. The number of postcards she can send depends on how many stamps she has.

p = the number of postcards Heather can send

s = the number of stamps Heather has

• p is the independent variable and s is the dependent

• s is the independent variable and p is the dependent

Multiple Choice

The type of programming on each radio station in your city (e.g., 93.7 KSKS play Country, Y101.1 plays Pop)

• nominal

• ordinal

• interval

• ratio

Multiple Choice

The number of hours you spent studying each day during the past week

• nominal

• ordinal

• interval

• ratio

Multiple Choice

Your friend's score on an intelligence test

• nominal

• ordinal

• interval

• ratio

Multiple Choice

The cell phone listed as third best on an online electronics review website.

• nominal

• ordinal

• interval

• ratio

Descriptive and Inferential Statistics

Multiple Choice

Barb has a directional hypothesis. How can he test for statistical significance?

• two-tailed test

• one-tailed test

• Barb needs a new plan.

Multiple Choice

Josh did not describe whether his hypotheses will be positive or negative. This means his hypotheses is....

• wrong

• non research related

• a non-directional hypotheses

Multiple Choice

Skylar has a null hypothesis that is true, but she rejects it. This is which error type?

• Type I Error

• Type II Error

Multiple Choice

Which of the following refers to a type I error?

• When a researcher wrongly accepts the results as being significant.

• When a researcher wrongly accepts the results as not being significant.

Multiple Choice

Which of the following refers to a type II error?

• When a researcher wrongly accepts the results as being significant.

• When a researcher wrongly accepts the results as not being significant.

Multiple Choice

A type I error involves a researcher wrongly accepting which hypothesis?

• Alternative

• Null

Multiple Choice

A type I error involves a researcher wrongly rejecting which hypothesis?

• Alternative

• Null

Multiple Choice

A type II error involves a researcher wrongly accepting which hypothesis?

• Alternative

• Null

Multiple Choice

A type II error involves a researcher wrongly rejecting which hypothesis?

• Alternative

• Null

Thank you.