CPA #7 Section 3.2 Measures of Dispersion Math 214
1. What is the range?
the difference between the largest and smallest values in the data set.
2. Calculate the range of the following data set.
4.9
3. Define standard deviation. Give the formula for sampl
CPA #4 Section 2.2 Graphical Displays of Data Math 214
1. Explain when a pie chart should be used.
-When you have nominal data where the categories of data are parts of a whole
2. Describe the differences between a bar graph and a histogram.
-bar graph- G
CPA #10 Section 4.2 Addition Rules for Probability Math 214
1. What are three properties of probability?
For any event, E, 0P(E)1.
For any sample space, S, P(S)=1.
For the empty set, , P()=0.
2. What is the complement of an event?
the set of all outcomes
CPA #5 Section 2.3 Analyzing Graphs Math 214
1. Describe the difference between a time-series graph and a cross-sectional graph.
A time-series graph is a line graph that is used to display a variable whose values change over
time.
A cross-sectional graph
CPA #8 Section 3.3 Measures of Relative Position Math 214
1. What is a percentile?
The divisions of a set of data
2. What is the formula to find the data value for the Pth percentile? What are the two rules to follow
once you have this value?
l=nP/100
Whe
CPA #12 Section 4.4 Combinations and Permutations Math 214
1. Define factorial and give the formula.
A factorial is the product of all positive integers less than or equal to a given positive integer
A factorial is given by
n!=n(n1)(n2)(2)(1)
2. Evaluate
CPA #6 Section 3.1 Measures of Center Math 214
1. Give the formula for sample mean and population mean.
x=x1+x2+xnnxin
where xi is the ith data value and
n is the number of data values in the sample.
=x1+x2+xNNxiN
where xi is the ith data value in the pop
CPA #3 Section 2.1 Frequency Distributions
214
1. What is a frequency distribution.
-A frequency distribution is a display of the values that occur in a data set and how often
each value, or range of values, occurs.
2. Describe the difference between and
CPA #9 Section 4.1 Introduction to Probability Math 214
1. What is a probability experiment?
any process with a result determined by chance.
2. What is an outcome?
Each individual result that is possible for a probability experiment
3. What is a sample sp
CPA #2 Section 1.3 - The Process of Statistical Study
214
1. Define observational study and experiment.
An observational study observes data that already exist.
An experiment generates data to help identify cause-and-effect relationships.
2. Determine whi