Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
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


measures of spread The range and the mean absolute deviation measure the spread for a set of data
median The middle number in a set of data when the data are arranged in numerical order. If the data has an even number, the median is the mean of the two middle numbers.
minimum value the lowest number in a data set
mode The number(s) or item(s) that appear most often in a set of data.
mutually exclusive Two or more events whose outcomes can never be the same.
outlier A number in a data set that is much lower or higher than the other values
range The difference between the greatest number and the least number in a set of data.
sample Some portion of a larger group selected to represent that group.
simple random sampling A sample that is chosen without any preference, representative of the entire population.
stem and leaf plot A display of data in which each piece of the data is separated into two numbers that are used to form a stem and a leaf.
box and whisker plot A diagram that divides a set of data into four parts using the median and quartiles.
frequency How often a piece of data occurs.
frequency table a table that shows the total for each category or group of data.
histogram A bar graph in which the data are organized into equal intervals. The height of the bar represents the frequency in that interval.
interquartile range The difference between the upper and lower quartiles representing the middle half of the data in the set.
maximum value the highest value in a data set
mean absolute deviation the average distance of each data item from the mean
mean The sum of the numbers in a set of data divided by the number of pieces of data in the set.
measures of center The mean and median measure the center for a set of data
Created by: tlindstrom