Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


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. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Stats Vocab Ch. 3

Sullivan Statistics - Informed Decisions Using Data

TermDefinition
mean, median, & mode The three most widely-used measures of central tendency. (averages)
mean The measure of center is computed by adding all the values of the variable in the data set and dividing by the number of observations.
sample mean statistic: x - bar
population mean parameter: μ (mew)
median The value that lies in the middle of the data when arranged in ascending order.
resistant When a statistic is not effected substantially by extreme values.
mode The most repeated value that occurs in the data set.
bimodal A data set that has two modes.
no mode A data set with no repeated values.
dispersion The degree to which the data are spread out.
range The difference between the largest data value and the smallest data values.
weighted mean Calculated by multiplying each value of the variable by its corresponding weight, adding these products, and dividing this sum by the sum of the weights.
range and standard deviation. The two most common methods of measuring spread or how much the data varies.
Created by: asmith456
Popular Math sets

 

 



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:

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