C. Determine which measure of variability is appropriate to use in making thefollowing reports.8. Variation of the daily profits of a company during the first quarter of a year.9. A rough estimate of the variation of the allowances of 10 students in yoursection.

8) Standard deviation is the best measure of variability in making the report of variation in daily…

Answered: C. Determine which measure of…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The comparison line graph indicates the rainfall for the last six months of two different years in Nowhereville. 5- During what months was the rainfall of 2018 less than the rainfall of 2017? 2017 2018 July Aug Sept Oct Nov Dec Month ..... Select all of the months where the rainfall of 2018 was less than the rainfall of 2017. A. August B. July C. October D. November E. December F. September Rainfall (in inches)
The following data gives the profits of a firm (in lakh dollars). Interpolate the missing figures. 1950| 1955 7? 1960 13 year 1965 1970 1975 Profits (in lakhs $.) 15 ? 25
1. Compare the results of the Paasche versus the Laspeyres Index for the year 1984?
49. In a survey of 694 workers, 61% said that they got their jobs through networking. Use the CPI to answer the following. Average Annual Consumer Price Index (CPI) (1982 - 1984 = 100) CPI 1989 124.0 2001 177.1 1990 130.7 2002 179.9 Year CPI Year Year CPI 1976 56.9 1977 60.6 1978 65.2 1991 136.2 2003 184.0 1979 72.6 1980 82.4 1981 90.9 1982 96.5 1995 152.4 2007 207.3 1983 99.6 1996 156.9 2008 215.3 1984 103.9 1997 160.5 2009 214.5 1985 107.6 1998 163.0 2010 218.1 1986 109.6 1999 166.6 2011 224.9 1987 113.6 2000 172.2 2012 229.6 1988 118.3 1992 140.3 2004 188.9 1993 144.5 2005 195.3 1994 148.2 2006 201.6 Use 1983 as 100. 50. If you spent $11,600 for goods, services, and housing in 2011, what would the same purchases have cost in 1995? 51. If you spent $11,600 for goods, services, and housing in 1995, what would the same purchases have cost in 2011?
Feb. Mar. Apr. May June July Aug Sept. Oct. Store 1 Store 2 6.3 6.5 7.0 6.7 7.6 7.9 8.2 7.7 8.4 8.2 6.2 8.2 8.6 9.4 1. Find the median, mean, and mode sales for each store to the nearest tenth. 2. Plot sales for both stores on the same line graph, with month on the horizontal axis and sales on the vertical axis. 3. What trends are apparent from the preceding line graph?
A Laspeyres price index for each year?
3. The following data represent the number of grams of fat in breakfast meals offered at a local fast food restaurant. (a) Construct an ordered stem-and-leaf plot and (b) describe the shape of the distribution. 16, 45, 31, 24, 10, 34, 25, 40, 30, 21, 43, 33, 47, 36, 47, 3, 29, 6, 15, 45, 30, 33
Calculate the median of the data shown, to two decimal places X 12.7 1.1 14 29.9 11.9 9.8 20.6 4
Please anwer Problem #2 only. Thank you
What is the median?
Maryland Café Using the following information to answer the questions, Please take 2 decimals in calculation. Month Sales ('000s) January 24 37 February March 24 42 24 39 April 2$ 29 May June 49 40 July August September 39 40 43 October ?? 1. What is the forecast for October using a 5-month moving average approach? $42,200 2. What is the forecast for October using a 3-month weighted moving average approach? In order from most recent to least recent month, assign weights of 0.5, 0.2 and O.1 $41,470 3. What is the forecast for October using exponential smoothing with alpha = 0.2, July forecast was 30 $35.350
Suppose that a company's annual sales were $1,200,000 in 1999. The annual growth rate of sales from 1999 to 2000 was 16%, from 2000 to 2001 was -5%, and from 2001 to 2002 was 22%.The geometric mean growth rate of sales over this three-year period is calculated as 10.37%. Use the geometric mean growth rate and determine the forecasted sales for 2004.A. 1,780,678B. 1,200,014C. 1,965,337D. 1,613,371E. 1,422,197

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C. Determine which measure of variability is appropriate to use in making the following reports. 8. Variation of the daily profits of a company during the first quarter of a year. 9. A rough estimate of the variation of the allowances of 10 students in your section.