FREQUEN- SEE
f
What is frequency?
Cumulative Frequency Graph (aka)
What is an Ogive?
The simplest measure of variance.
What is the range?
Q1, Q2, Q3.
What are quartiles?
The equation for the Midpoint.
What is (upper class limit + lower class limit)/2 ?
I would use this type of display if I wanted to show attendance records over the 2012-2013 school year.
What is a Time Series chart?
x - mu = ?
What is the deviation of x?
The five number summary needed to create a box-and-whisker plot.
What is the max, min, Q1, Q2, Q3?
The sum of the frequencies of a class and all previous classes.
What is Cumulative Frequency?
A scatter plot is an example of this general type of data set.
What is a paired data set?
Since the deviations may sum to zero we can do two things to get rid of the negatives. What are they?
What is square the deviations or absolute value?
What is an outlier?
A number far removed from the other data entries
The vertical scale of a frequency histogram.
What is "the frequencies"?
What is a Pareto Chart?
This equation:
What is the mean of a frequency distribution?
Once you know the variance, how do you find the standard deviation?
Equation to find the z score.
What is (Value - Mean )/ St. Dev.?
Important characteristics to look for when organizing and describing data.
What are CENTRAL TENDENCY, VARIATION, AND POSITION
DAILY DOUBLE
Stem and leaf plots are an example of this. So are box and whisker plots.
What is EDA- Exploratory Data Analysis?
The equation for a weighted mean?
What is xbar = (sigma(x *w))/ (sigma (w))
In a sample, what do you divide the sum of the squared deviatons by to find the variance?
n - 1
If a data value is larger than the mean, its z score will be ______.
What is positive?