formulas
Q3 - Q1
What is IQR?
What it takes to get it done
The data
Looks like a candle
What is box and whisker plot
The high
The maximum
A smaller group selected from a larger population to represent it.
Sample
(N+1)/2)th
What is median
What is an outlier
Used for general information display
What is a stem and leaf plot
The low
Kinimum
A sample where every individual has an equal chance of being selected.
Simple Random Sample
Q1, and Q3 x 1.5
What are outliers
The number between the medium and maximum was
What is the first quartile
Used for displaying distribution
What is a histogram
The number that appears the ksot
Mode
sampling method that divides the population into groups and randomly selects from each group.
Stratified Random Sample
This formula is used to find the mean of a data set by adding all values and dividing by the number of values.
What is Σx / n
The range between the minimum and median
The first quartile
Used to display data from different categories
What is bar graph
the middle number
Median
This type of sample allows people to choose themselves to participate, often creating bias.
Voluntary Response Sample
s = ∑ ( X − X ¯ ) 2 n − 1
What is standard deviation?
The measure of which data spreads from the center
What is Standard deviation
Used when the data adds up to 100% and you want it to look good
Pie graph
The amount of variables
What is N=
A sample chosen by selecting individuals who are easiest for the researcher to reach.
Convenience Sample