Mean, Variance, And SD Using GROUPED DATA
EXAMPLE # 1: ( from page 125 )
We provided the frequency distribution of the time in days required to complete year-end
audits for the public accounting firm of Sanderson and Clifford. The frequency
The following is a sample of size 14:
10, 12, 14, 15, 16, 18, 19, 20, 20, 21, 23, 24, 27, 28
Compute the sample mean: standard deviation: .
Coef. of Variation:. Median:.
Show your work
Complete the following Frequency Table:
MAS 201 INTRODUCTION BUSINESS STATISTICS
STATISTICS: ( Definition )
It is the art and science of collecting, analyzing, presenting and interpreting data. The data may be the
totality of observations under consideration (you are working with a POPULATION),
MEASURES OF LOCATION AND DISPERSION
USING UNGROUPED DATA
Measures of Location: (Mean, Median, and Mode) We are trying to identify the center
of the data
Mean or Average: Perhaps the most important measure of location. It provides a measure
of central loca
DISCRETE RANDOM VARIABLES
DISCRETE PROBABILITY DISTRIBUTIONS
Are numerical descriptions of all possible outcomes of an experiment.
CONTINUOUS OR DISCRETE RANDOM VARIABLES ?
One way to determine whether they are discrete or continuous is
MAS 201 Introduction to Business Statistics Fall 2016
Course Outline, Requirements and Syllabus
SECTION B; MWF; 9:05-9:55am;
Dooly Memorial 215
SECTION E; MWF; 12:20-1:10pm;
SECTION G; MWF; 2:30-3:20pm;
Dooly Memorial 100
Dooly Memorial 101