Statistics Chapter 1

Name the 2 kinds of numerical/quantitative variables...

The Pew Research Center surveyed 1428 adults in the United States who were married or in a comitted relationship. The survey found that 25% of cell phone owners felt that their spouse or partnerwas distracted by her or his cell phone when they were together. Identify the sample...

The color of a car...

0,1,2,3,4,5,6...

Objects or units described by a set of data...

In a recent survey, 1500 adults in the United States were asked if they thought there was solid evidence for global warming. Eight hundred fifty-five of the adults said yes. Identify the sample...

A variable that measures the major outcome of result of a study...

The Pew Research Center surveyed 1428 adults in the United States who were married or in a comitted relationship. The survey found that 25% of cell phone owners felt that their spouse or partnerwas distracted by her or his cell phone when they were together. Identify the population...

Independent part assigns subjects to treatment group.

1 Liter of gas

Study of individuals and measures of variables of interest...

In a recent survey, 1500 adults in the United States were asked if they thought there was solid evidence for global warming. Eight hundred fifty-five of the adults said yes. Identify the population...

Participants in the study do not know if they are recieving the placebo or the real treatment.

Treatment and interference

Researchers and subjects do not know who is in the treatment group.

Study where treatment is given to individuals/subjects to test whether treatment will cause or affect the response variable.

Name the 2 kinds of numerical/quantitative variables...

Name the 2 kinds of numerical/quantitative variables...

The weight of an elephant...

Major, Point, Grade are all examples of what?

Differences or changes in an item

A persons place of birth...

"Numbers in context"

Variable that has no decimals and is comprised of whole numbers with specific and fixed values...

Variable that has infinite number of possible values

In the year 2002 a study was conducted over the predominant hair color in Russia, 2500 random people were surveyed about their hair color. Identify the sample...

A measure of pitch...

In the year 2002 a study was conducted over the predominant hair color in Russia, 2500 random adults were surveyed about their hair color. Identify the population...

What kind of data can only hold 2 variables?

Data that is just one part of the entire set...

The number of times a value of a variable is observed in a data set

Marital status - married, divorced, single, unaware

A set that contains all the information about everyone or everything...

What kind of data is in spreadsheet format?

What is nominal?

State of residence (Ex: SC, NV, KY, NC, NY, TX...)

Approve - Yes or No

The number of items in a collection or outcome is an example of what variable?

Marital status - married, divorced, single, unaware

Letter grade in any class

Name the 2 kinds of Qualitative/Categorical variables...

Female = 0 , Male = 1

Marital status - married, divorced, single, unaware