Vocab
A type of sample in which every member of a population has an equal chance of being chosen
What is a Simple Random Sample
The formula for the location of the Median
What is (n+1)/2
This chart is comprised of two columns with the left column being the "stem" and the right column being the "leaves"
What is a Stemplot
This app finds the standard deviation after data values have been placed in L1 and L2
What is 1-var stats
(stat>calc>1-var stats)
A group of subjects in which no treatment is applied
What is a Control Group
The formula for finding the location of Q1
What is (n+1)/4 or what is find the median of the lower half of the data (before Q2)
This graph is circular and assigns wedges to certain categories determined by their percentage
What is a Pie Chart
This app is used to find a linear regression equation
What is Linreg
(Stat>Calc>Linreg)
A study in which both the researcher and the participants are unaware which treatment group they are in
What is a Double Blind Experiment
The formula for Standard Deviation (when given a data spread)
What is xi - x̅
(xi is each individual data point, and x̅ is the mean)
This chart has categories on the x-axis and data values on the y-axis
What is a Bar Chart
This calculator command allows L1 to be edited
What is stat>edit
An extreme data value with a strong effect on the mean, but not the median
What is an Outlier
The formula for the IQR
What is Q3-Q1
This graph can be used when having all five values of a 5 number summary
What is a Boxplot
The app that allows you to view your graph using data from L1 and L2
What is Zoomstat
(Zoom>Zoomstat. Make sure to use statplot to specify what type of graph and set the x-values to L1 and y-values to L2)
When making a graph, these are subgroups of equal width into which data falls
What is a Class
The formula to test for suspected outliers to the left of Q1
What is Q1-1.5*IQR
This graph is symmetrical and bell-shaped
What is a Normal Curve
The calculator command that lets you view the mean after inputting data into L1 and L2
What is 1-vars stats