Chapters 1-3:In order to control costs‚ a company wishes to study the amount of money its sales force spends entertaining clients. The following is a random sample of six entertainment expenses (dinner costs for four people) from expense reports submitted by members of the sales force. $157‚ $132‚ $109‚ $145‚ $125‚ $139. Calculate the mean and sample variance(s^2) and standard deviation. Mean = 807/6 = 134.5. Sample Variance = (109925 – (807^2/6)/6-1 = (109925 – 108541)/5 = 1384/5 = 276.8.
Free Random variable Standard deviation Normal distribution
Applied economics summary. Most of British manufacturing had increase the dependency on exporting sector ever since 20 years ago. This is proved by EEF ‚ the organization which represents UK manufacturing companies said that many of the firms were coping well with the challenges occur. There were many reasons why exporting companies in British is a success ‚ its affected by the fact that UK is a country with strong economic growth ‚ well known in overseas country. However‚ USA and China been growing
Premium Economics Manufacturing International trade
BE01106 - BUSINESS STATISTICS ASSIGNMENT – PART I SEMESTER 2‚ 2014 _________________________________________________________________________ The complete BEO1106 assignment (all three parts) accounts for 20% of the overall assessment in the unit. This first part of the BEO1106 assignment is to be completed in your own time and must be submitted for correction in the tutorial of week 6. No time extensions will be granted although special consideration applications may be accepted from students
Premium Numerical digit Randomness Spreadsheet
Applied Business Law – 27 Individual Work 1 Jessica Gaskins You are an employee at a nice paper mill and want to impress the boss by burning the midnight oil (but not too close to the wood pulp). For four consecutive weeks‚ you work forty-five‚ forty-two‚ thirty-nine‚ and thirty-one hours. If you are a nonexempt employee covered by the Fair Labor Standards Act‚ how many hours of overtime pay‚ if any‚ would you be entitled to? What would be the rate? The Fair Labor Standards Act of 1938 is
Premium Employment Fair Labor Standards Act
most stressed upon to date is the ever-increasing threat of environmental degradation‚ global warming‚ and the need to conserve our scarce natural resources. This has led us to examine the fuel efficiency of cars. With rising gas prices‚ owning a car can become quite costly‚ not only eroding the owners disposable income‚ but also the Earth of its resources. It is not surprising that more and more consumers now desire to change their car‚ with fuel-efficiency being a major determinant. Since consuming
Premium Automatic transmission Manual transmission Internal combustion engine
Chapter 1: Assignment Solutions (Do not share with anybody outside your class) 2. a. The ten elements are the ten cars b. 5 variables: Size‚ Cylinders‚ City MPG‚ Highway MPG‚ and Fuel c. Categorical variables: Size and Fuel Quantitative variables: Cylinders‚ City MPG‚ and Highway MPG d. Variable Measurement Scale Size Ordinal Cylinders Ratio City MPG Ratio Highway MPG Ratio Fuel Nominal 5. a. Average endowment = 74.6/7 = $10.657 billion b. Average
Premium Level of measurement Statistics Gross profit margin
(iii) the value of marks exceeded by the top 100 students. Answer-------- (i) number of students exceeding a score of 60=210 (ii) The number of students having marks between 50 and 70=188 (iii) The value of marks exceeded by the top 100 students=73 Q2. Following are the scores obtained by 2 students A and B in 10 tests of 100 marks each. Tests 1 2 3 4 5 6 7 8 9 10 Scores
Premium Standard deviation Arithmetic mean Pearson product-moment correlation coefficient
e eBook Collection Electronic Commerce Ch05 This is a Protected PDF document. Please enter your user name and password to unlock the text. 4 Remember my user name and password. If you are experiencing problems unlocking this document or you have questions regarding Protectedpdf files please contact a Technical Support representative: In the United States: 1-877-832-4867 In Canada: 1-800-859-3682 Outside the U.S. and Canada: 1-602-387-2222 Email: technicalsupport@apollogrp.edu. 1000-0001-C42C-0001DAD3
Premium Electronic commerce Supply chain Supply chain management
BUS 271 CHAPTER ONE HOMEWORK: TERMS 1. In each statement that follows‚ tell whether descriptive or inferential statistics were used. _D____ a. The average price of a home sold in Allegheny County the week of April 22-28 $75‚328. _D____ b. According to the Census Bureau‚ 20% of all American workers get to work via carpool. __I___ c. The National Eye Institute has halted a clinical trial on a type of eye surgery‚ calling it ineffective and possibly harmful to a person’s
Premium Infant Swimming pool Gallup poll
line will approach 0 (the x-axis)‚ but it will not touch 0 and instead will extend to infinity. In this class‚ this applies to the normal continuous distribution and is one of the 4 key characteristics of a normal continuous distribution that our text book discusses. This means that the curve of the line will extend infinitely in both the negative and positive direction in exact mirror image patterns on either side of the mean. For a normal probability distribution‚ is about 95 percent of
Premium Normal distribution