Save
or

or

taken

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

focusNode
Didn't know it?
click below

Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size     Small Size show me how

# MATH 153 Chapter 1

### Data Collection & Terminology

Two types of data Qualitative and Quantatative
Two types of quantatative data Discrete and Continuous
True or False: Statistics is the art and science of collecting, organizing, summarizing, and analyzing data. True
Which is an example of descriptive statistics? a) a prediction of next month's employment rates b) making a bet based on a player's current stats c) the median height of women 25 years of age c) the median height of women 25 years of age
Name three data collecting methods Survey, observational study, experimental study
True or False: Systematic sampling is the easiest sampling technique for the collector. False: Convenience sampling is the easiest for the collector.
You want to find out employee satisfaction for your company based on race. The majority of employees are white. Which sampling method will give the most accurate data? a) random sampling b) stratified sampling c) cluster sampling d) systematic sampling b) stratified sampling
Define statistics. Statistics is the science of​ collecting, organizing,​ summarizing, and analyzing information to draw a conclusion and answer questions. In​ addition, statistics is about providing a measure of confidence in any conclusions.
Determine if the variable is qualitative or quantitative. Complete parts A to C below. A) age B) favorite food C) number of people divorced this year A) quantitative B) qualitative C) quantitative
Starbucks contacts 2005 of their employees who also attend college and work full-time and ask whether they are finding enough time for school while working full-time. What is the population in the study? What is the sample in study? Population: employees who work full-time and attend college Sample: the 2005 employees who work full time and attend college
Which allows the researcher to claim causation between an explanatory variable and a response​ variable? a. A designed experiment b. An observational study a. A designed experiment
A(n) _____________ is a numerical summary of a sample. Statistic
A(n) ______________ is a numerical summary of a population. Parameter
________________ are the characteristics of the individuals of the population being studied. Variables
Which sampling method does not require a​ frame? a. Systematic b. Simple random c. Stratified d. Cluster e. All of the above sampling methods require a frame a. Systematic
True or false: A closed question has fixed choices for​ answers, whereas an open question is a​ free-response question. True
Which sampling method is obtained by dividing the population into homogeneous groups and randomly selecting individuals from each group? a. Systematic b. Simple random c. Stratified d. Cluster c. Stratified

Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

• SPACEBAR - flip the current card
• LEFT ARROW - move card to the Don't know pile
• RIGHT ARROW - move card to Know pile
• BACKSPACE - undo the previous action

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
 "Know" box contains: Time elapsed: Retries:
restart all cards