Math 116 - Chapter 2 review
Name_
Provide an appropriate response. 1) Suppose that a data set has a minimum value of 28 and a max of 73 and that you want 5 classes. Explain how to find the class width for this frequency table. What happens if you mistaken
practice set chapter 1 - 3
Disclaimer: The actual exam is not necessarily like these questions, nor is it strictly multiple choice. This is only an aid to
help you practice.
Provide an appropriate response.
Determine which of the four levels of measuremen
TI Manual for Stats Class
Task
Key Presses
Enter Data in a Data List
Stat
1
Enter the individual numbers
Clear a Data List
Up Arrow until list name is highlighted
Clear
Enter
To return to the main
screen.
2nd /Quit
Statistics of
Raw Data
(1Var Stats L1 )
Using the Normal Distribution to Calculate Probabilities
Step 1.
Write the cast of characters.
In this step, you define the random variable and its probability distribution. With normal
distribution problems its easy, they usually just give you the mean a
Probability with the 3-Kids Procedure
Statistics
Chapter 4 - Probability
Definition
A procedure is something
that produces an outcome.
Example
Heres a procedure: Have three children and record their
genders in order of birth. Lets call this the 3-Kids
pro
Measures of Relative Standing
A measure of relative standing is a measure of where a data value stands relative to the
distribution of the whole data set. With an idea of relative standing, we can say things like, You
got a really high score compared to t
Introduction to Basic Statistics
Pat Hammett, Ph.D.
2005
Instructor Comments:
This document contains an overview of basic probability and statistics. It
also includes a practice test at the end of the document. Note: answers to
the practice test questions
Handy Reference II
HANDY REFERENCE SHEET 2 HRP 259
Calculation Formulas for Sample Data:
Univariate:
n
Sample proportion:
p=
i =1
1 if success
xi =
0 if failure
n
n
Sample mean: x =
x
i
i =1
n
n
2
Sum of squares of x: SS x = ( xi x )
[to ease computatio
Finding Cutoff Values using the Normal Distribution
Step 1.
Write the cast of characters.
In this step, you define the random variable and its probability distribution. With normal
distribution problems its easy, they usually just give you the mean and st
Chapter 6 Review Questions
Statistics
6.2 The Standard Normal Distribution
6.3 Applications of Normal Distributions
What are the two parameters that determine a normal distribution? ( and )
What shape does the normal distribution have? Sketch one and sh
Cha pter 5 Review Q uestions
Statistics
5.2 Random Variables a nd Probability Distributions
- What is a Random Variable? ( in your own words)
- What are two things a random variable must have
o a range of possible values
o a probability distribution
- Wha
Chapter 1-3 Notes
Statistics Spr09
Chapter 1 - Intro to Statistics
1.2 Types of Data
- Whats the difference between discrete and continuous data? Give an example of each.
- Whats the difference between a population parameter and a sample statistic?
- What
Chapter 4 Notes
Statistics
Chapter 4 Probability
4.2 Fundamentals
- Basic definitions, from class, see handout Probability With 3 Kids
- What three ways are there to compute a probability? Pg. 148
- Whats the difference between empirical probability and t