MA 1135 Lecture 06 - Statistics, Parameters, and the Normal Distribution
Tuesday, February 11, 2014.
Objectives: Introduce Standard Normal Distribution.
Note: Test I is next Thursday
Ill have a practice test posted by Tuesday. Tuesday is optional, and the
MA 1135 Lecture 13 - Trigonometry and Slopes
Tuesday, April 1, 2014.
Objectives: Introduce basic trig functions, slope, addition of forces.
Newtons Second Law of Motion states that the force needed to accelerate an object satises
(1)
F = ma (Force equals
MA 1135 Lecture 14 - More on triangles
Thursday, April 3, 2014.
Objectives: Use formulas relating measurements on a right triangle.
We started talking about slopes and grades last time, and I want to practice relating the dierent quantities
today.
Our con
MA 1135 Lecture 12 - Examples with Porosity and Rock Density
Thursday, March 27, 2014.
Objectives: Computing proportional quantities.
Here is some data from the Wisconsin Geological Survey (http:/wisconsingeologicalsurvey.org). Some
relevant formulas from
MA 1135 Lecture 10 - Condence Intervals and the t distribution
Thursday, March 6, 2014.
Objectives: Condence intervals using x and s, t-distribution, and the error.
Confidence Intervals
So far, our basic formula looks like
(1)
z x + z ,
where z correspon
MA 1135 Lecture 11 - Introduction to Unit Conversions
Tuesday, March 25, 2014.
Objectives: Introduce the concept of doing algebra on units.
One basic concept in math is that if we multiply a number by 1, the result is equal to the original number.
For exa
MA 1135 Lecture 08 - Condence Intervals
Thursday, February 27, 2014.
Objectives: Intro to condence intervals.
Suppose we have as our population the weights of male rats in New York City. These are our xs. To have
some numbers to play with, suppose the pop
MA 1135 Lecture 09 - Condence Intervals, cont.
Tuesday, March 4, 2014.
Objectives: Formulas for condence intervals using t-distribution.
Distribution of Sample Means
Suppose we have a population with mean and standard deviation . For samples of size n, we
MA 1135 Lecture 07B - More on the Other Normal Distribution
Tuesday, February 25, 2014.
Objectives: More examples on other Normal Distribution.
1. Normally Distributed Populations
Remember that if we have a normally distributed population of xs with mean
MA 1135 Lecture 04 - Intro to Mean and Median
Thursday, January 30, 2014.
Objectives: Dene mean and median, and compute using Excel.
No class Tuesday, 2/4/14.
Go over homework.
Mean and Median
One of the things we do in statistics is to nd a few numbers t
MA 1135 Lecture 02 - Cell References and some Functions
Thursday, January 23, 2014.
Objectives: Introduce relative and absolute cell references and some functions.
Relative cell references
Enter some numbers into a spreadsheet as shown below, and in cell
MA 1135 Lecture 01 - Introduction to Excel
Tuesday, January 21, 2014.
Objectives: Introduce cell names and simple formulas.
Introduction to Excel
Find Microsoft Excel on your computer. Excel should be loaded on all, or almost all, Manseld University
compu
MA 1135 Lecture 07 - Other Normal Distribution
Thursday, February 18, 2014.
Objectives: Other Normal Distribution.
1. Normally Distributed Populations
What Ive called the standard normal distribution has a population mean of = 0, and standard deviation =
MA 1135 Lecture 05 - Variance and Standard Deviation
Thursday, February 6, 2014.
Objectives: Dene variance and standard deviation, and compute with Excel .
Notation
We looked at the mean last time. I want to start today with some notation that well use in
MA 1135 Lecture 03 - A Guess and Check Method for Solving Equations
Tuesday, January 28, 2014.
Objectives: Explore using a spreadsheet to search for a solution to an equation.
If we have an equation like
(1)
3x + 2 = 11,
we have techniques available to us