Use the following dataset on laptop sales to complete the tasks listed below:Fixed Costs Variable Costs Total Costs Profit$1,750$200$1,750$260$368$3002009MonthJanuaryFebruaryMarchAprilMayJuneJulyAugustFSeptemberOctoberNovemberDecemberAverageMedianModeVarianceSt. DeviationRangeCVICoefficient of Variation)Revenue*$10,000$11,250$12,360125$12,500$10,689$27,000$29,000$17,459$5,409$6,500$8,900$9,800$1,750$1,750$1,750$1,750$1,750$1,750$1,750$1,750$1,750$1,750$450CADA$250249$20034w$180$250$260$100$100$1,950$2,010$2,118$2,050$2,200$2,000$1,950$1,930$2,000$2,010$1,850$1,850$8,050$9,240$10,242$10,450$8,489$25,000$27,050$15,529$3,409$4,490$7,050$7,9502. Build a pie chart and a bar graph for the revenue.3. Summarize the total number of revenue using a pivot table (build a contingency table)according to "Company" and "State".4. Build a frequency histogram for the variable called "revenue ".5. What are those measures showing? Which ones are needed to describe the centraltendency and which ones are needed to describe variability?

According to Bartleby's question-answer guide, we only answer the first question.So we only copy the…

Answered: Use the following dataset on laptop…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Edit Amex PLC has gathered following information on the sales of face mask from April 2020 to September 2020. Month Sales ($) April 17,000 May 18,000 June 19,500 July 22,000 August 21,000 September 23,000 You are required to3; a. Using linear trend equation forecast the sales of face masks for October 2020.
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Part 2 of 2 Construct an ogive for the data. Cumulative Frequency 20 15 10 5 0 69.5 0 109.5 0 College Faculty 149.5 0 189.5 Number of faculty 0 229.5 0 269.5 0 309.5 X ←
Activity 3 A property developer analyzed the amount of office space available in 40 office blocks in the CBD of Gobabis. The following floor areas were recorded. 175 150 178 144 182 172 126 143 146 116 182 140 162 155 176 140 165 165 142 165 168 120 160 155 170 162 177 164 158 118 135 162 195 124 135 150 178 190 160 185 Is the data Continuous or discrete Quantitative or qualitative. Nominal, ordinal, ratio or interval scaled? Determine the range of the data. Use Sturges Rule to determine k, the number of classes, also determine the class width and the appropriate class limits. Construct a frequency distribution for the data. Construct a histogram for the data. Interpret your histogram. Construct a frequency polygon and interpret it. Construct a less than ogive for the data. Construct a more than ogive for the data. From your graph what percentage of office blocks has available…
The director of surgery at a local hospital is interested in understanding his unit’s costs. An assistant collected data for the past 36 months on unit cost (labor, supplies, and so on) along with the number of procedures performed in the unit. The assistant analyzed the data using a spreadsheet program, and the following output was generated. Equation Intercept $ 1,006,000 Coefficient on procedures $ 230 Statistical data Correlation coefficient 0.518 R2 0.268 The unit is planning to perform an average 18,5000 procedures per month for the coming year. Required A: Use the regression output to write the surgical unit cost equation. Surgical unit cost = ____________ + __________ x Procedures Required B: Based on the cost equation,…
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