'Lower fence' presentation slideshows

Statistics with Economics and Business Applications

596 views • 38 slides

Chapter 5 Understanding and Comparing Distributions

Chapter 5 Understanding and Comparing Distributions. Example: The Hopkins Memorial Forest. A 2500-acre reserve in Massachusetts, New York, Vermont Managed by the Williams College center for Environmental Studies (CES) http://www.williams.edu/CES/hopkins.htm

277 views • 26 slides

Chapter 3 Numerically Summarizing Data

Chapter 3 Numerically Summarizing Data. 3.4 Measures of Location. The z -score represents the number of standard deviations that a data value is from the mean. It is obtained by subtracting the mean from the data value and dividing this result by the standard deviation.

448 views • 24 slides

Chapter 3 Numerically Summarizing Data

Chapter 3 Numerically Summarizing Data. Section 3.5 Five Number Summary; Boxplots. The Five-Number Summary MINIMUM Q 1 M Q 3 MAXIMUM. EXAMPLE Finding the Five Number Summary. Find the five number summary for the employment ratio data from Section 3.4. Steps for Drawing a Boxplot.

191 views • 19 slides

Chapter 5: Describing Distributions Numerically

309 views • 17 slides

3.4

Measures of Position. 3.4. The standard deviation is a measure of dispersion that uses the same dimensions as the data (remember the empirical rule) The distance of a data value from the mean, calculated as the number of standard deviations, would be a useful measurement

291 views • 16 slides

LAST UNIT

Statistics and Data Analysis. NEXT UNIT. CURRENT UNIT. LAST UNIT. CURRENT UNIT. Organizing, Summarizing, &Describing Data. Probability. S ummer. is about. Displaying Data. Family of Distributions. Center Spread Shape. Slope Triangles. Standard Deviation. 5 Number Summary & Box Plot.

308 views • 16 slides

LAST UNIT

Statistics and Data Analysis. NEXT UNIT. CURRENT UNIT. LAST UNIT. CURRENT UNIT. Organizing, Summarizing, &Describing Data. Probability. S ummer. is about. Displaying Data. Family of Distributions. Center Spread Shape. Slope Triangles. Standard Deviation. 5 Number Summary & Box Plot.

162 views • 16 slides

Chapter 5

Chapter 5. Understanding and Comparing Distributions. 30 min. The Big Picture. We can answer much more interesting questions about variables when we compare distributions for different groups. Here is a histogram of the Average Wind Speed for every day in 1989 .

229 views • 13 slides

Midterm Exam

Midterm Exam. Solution and discussion. 1.A random variable. A variable is used in order to describe the quantities of interest that are determined by the outcomes of an experiment.

260 views • 13 slides

Section 3.5

Section 3.5. The Five Number Summary and Boxplots. Exploratory data analysis = the process of using statistical tools (such as graphs, measures of center, and measures of variation) to investigate data sets in order to understand their important characteristics. Five Number Summary.

235 views • 10 slides

Section 3.5

Section 3.5. The Five Number Summary and Boxplots. Exploratory data analysis = the process of using statistical tools (such as graphs, measures of center, and measures of variation) to investigate data sets in order to understand their important characteristics. Five Number Summary.

173 views • 10 slides