MAT 157 Iowa State

Mat 157/Bus 211 UAE Urban Campus http:/ / w w w.dmacc.edu Academic Standards Commission Spring, 2008 Instructor Information Name Phone number Home Page Rachel Graham 244-4226 E-mail address Fax number gdragon@iastate.edu 248-7216 http: / / w w w.

Mat 157/Bus 211 Spring 2008 Suggested Problems Chapter 1 (pp. 26-28): 8, 12, 17, 19, 21, 25, 26 Chapter 2 (pp. 87-90): 1, 2, 7, 8 (histogram only), 20, 22 Chapter 3 3-2 (pp. 110-113): 9 (a,b,c), 12, 17, 28, 29 3-3 (pp. 129-132): 8, 13 (for 8 and 1

Chapter One The Nature of Probability and Statistics How can I do well in this class? Make sure you can do basic algebra. Attend all lectures. Complete all assignments. Go over answers to assignments. READ and STUDY the vocabulary. Form study

Frequency Distributions and Graphs Where do we start? Quantitative Data is a set that can be numerically represented. Dealing With a Lot of Numbers. When looking at large sets of quantitative data, it can be difficult to get a sense of what the n

Chapter 3 Describing Distributions Numerically Describing the Distribution Center Median Mean Spread Range Interquartile Range Standard Deviation Median Literally = middle number (data value) n (number of observations) is odd Order the d

Chapter 10 Scatterplots, Association, and Correlation Scatterplots What we look for: Direction Form Strength Outliers Scatterplots - Direction Negative - a pattern that runs upper left to lower right. Positive a pattern that runs lower left to

Chapter 4 Pr obability and Counting Rules Sample Spaces and Pr obabilit y Pr obability exper iment a chance pr ocess t hat leads t o well-defined r esult s called out comes (e.g. flipping a coin, dr awing a car d). Outcome t he r esult of a sing

Chapter 5 Discrete Probability Distributions DISCRETE Discrete variables have a finite number of possible values or an infinite number of values that can be counted. Discrete probability distribution consists of the values a random variable can

Chapter 6 The Normal Distribution Normal Distributions Bell Curve Area under entire curve = 1 or 100% Mean = Median This means the curve is symmetric Normal Distributions Two parameters Mean (pronounced \"meeoo\") Locates center of curve Spl