Answer all the questions1. a. The profits (in lakhs of rupees) of 20 companies for the year 2000-2009 are givenbelow:20, 22, 53, 49, 65, 39, 48, 67, 18, 16, 23, 37, 35, 49, 63, 57, 69, 25, 29, 58.i.Represent the above data in a frequency table using exclusive class interval. (6)Represent the above data in a histogram. (2)ii.

Solution-: Given data: Profit (in lakhs of rupees )…

Answered: 1. a. The profits (in lakhs of rupees)…

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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A corporation that maintains a large fleet of company cars for the use of its sales staff is interested in the mean distance driven monthly per sales person. The following table gives the monthly distances in miles driven by a random sample of 15 sales persons: 2560, 2506, 2437, 2476, 2128, 2537, 2023, 2664, 2555, 2552, 2626, 1900, 2691, 1907, 2542 Based on this sample, find a 90% confidence interval for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances are normally distributed. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place. (If necessary, consult a list of formulas.) What is the lower limit of the confidence Aa interval? What is the upper limit of the confidence interval?
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The following data show the of number of shoes (in 1000 units) sold by a new shoe manufacturing company in the 8 consecutive months of 2020: Month # Sold Month # Sold --------------------------------------------------------------------- January 8.42 | May 11.14 February 9.67 | June 10.61 March 10.42 | July 12.50 April 10.90 | August 12.82 Hand Estimate a linear trend model for the monthly sales of the company. Predict the number of shoes sold in September and October.

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