Introduction to Statistics

Introduction to Statistics

Elizabeth Borres

Multiple Choice

Look at the graph, what was the temperature at 3am?

• $7\degree$

• $5\degree$

• $10\degree$

• $12\degree$

• $15\degree$

Multiple Choice

Why is this graph misleading?

• The graph shows the comparisons of two different type of data.

• The graph shows too much data to get an accurate reading.

• The graph would be better displayed as a bar graph instead of a pie chart.

• The graph is NOT misleading, there is nothing wrong with it.

Multiple Choice

A _________ survey is one that encompasses errors caused by the design of the survey and its questions.

• good

• biased

• fun

• school

Multiple Select

Check all that apply

Statistics are misused to:

• Attempt to prove something that is not true

• Sell products that don’t work properly

• To give accurate information about a product

• Get attention by evoking fear, shock, outrage

Multiple Select

Check all that apply

Statistics are used to:

• Describe data

• Tell me which pizza I should buy for dinner

• Compare two or more data sets

• Make students love Math class

• Make estimates about population characteristics

At the end of the lesson, students will:

1. Demonstrate knowledge of statistical terms.

2. Differentiate Descriptive Statistics from Inferential Statistics.

Open Ended

What have you noticed with the definition of statistics?

Poll

Do you have any question(s)/clarification(s)?

Multiple Choice

A group of subjects selected from a population is a _________________.

• Portion

• Sample

• Group

• Data

Multiple Choice

A _______________ consists of all subjects (human or otherwise) that are being studied.

• Population

• Sample

• Study

• Exam

Multiple Choice

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

• mathematical

• descriptive

• inferential

• population

Multiple Choice

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

• mathematical

• descriptive

• inferential

• population

Multiple Choice

Two branches of statistics are________________ and ___________.

• engineering and chemistry

• mathematical and inferential

• inferential and descriptive

• hard and easy

Multiple Choice

Tell if the statement if Descriptive or Inferential

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

• Inferential

• Descriptive

Multiple Choice

Tell if the statement if Descriptive or Inferential

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

• Descriptive

• Inferential

Multiple Choice

Tell if the statement if Descriptive or Inferential

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

• Inferential

• Descriptive

Multiple Choice

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

• Inferential

• Descriptive

Multiple Choice

The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population?

• People who visit the bookstore.

• People who buy mystery novels.

• Residents of the town

• People who like to read.

Multiple Choice

_______ is the entire group of objects or individuals considered for a survey.

• Sample

• Population

• Random Sample

• Quartile

Multiple Choice

What would be the sample in this example?

Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors

• all shoppers in the mall

• the shoppers who were asked their preferences

Multiple Choice

What would be the population in this example?

Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors

• all shoppers in the mall

• the shoppers who were asked their preferences

Multiple Choice

The part of the population being studied

• population

• sample

• random