30144.Find:a. Meanb. Medianc. ModeYears of Experience1-45-89-1213-1617-2021-2425-28Number of Employees1620282416115

The formula of mean is,Where,∑fx denotes the sum of product of frequency and midpoint.N denotes the…

Answered: 4. Find: a. Mean b. Median c. Mode…

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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Someone interested in the number of miles Prof. St. John has run each day preparing for her next marathon asks her how many miles she has run for the last 15 weeks. The results are below: 39 43 45 52 54 54 57 59 63 65 65 68 70 73 77 Answer the following questions: 1. Finish the frequency table: Class Frequency 39-46 47-54 55- -70 2 5 6 2. What is the relative frequency for the class of 47-54?
Question 17 In a recent poll, 48% of 331 Americans who decided to not go to college said it was because they could not afford it. (a) Calculate a 90% confidence interval for the proportion of Americans who decide to not go to college because they cannot afford it, and interpret the interval in context. lower bound: (please round to four decimal places) (please round to four decimal places) Interpret the confidence interval upper bound: in ontext: We can be 90% confident that our confidence interval contains the sample proportion of Americans who choose not to go to college because they cannot afford it We can be 90% confident that the proportion of Americans who choose not to go to college because they cannot afford it is contained within our confidence interval 90% of Americans choose not to go to college because they cannot afford it
4) The table shows, for the years 1997–2012, the mean hourly wage for residents of the town of Pity Me and the mean weekly rent paid by the residents. Mean hourly wage (dollars) Mean hour. Mean weekly rent (dollars) Mean weekly rent (dollars) Year Year (dollar 116 1997 57 10.38 2005 28.99 59 113 1998 10.89 2006 28.63 2007 1999 62 11.96 112 36.75 14.55 2000 63 12.46 2008 86 17.90 2001 86 17.72 2009 90 2002 2010 119 28.07 90 14.67 131 35.24 2003 2011 17.97 100 122 2004 2012 22.23 31.87 115 Find the least squares line that uses mean hourly wage to predict mean weekly rent. Round values to the nearest ten-thousandth. Include a scatter plot with the regression lino
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4. Find: a. Mean b. Median c. Mode Years of Experience Number of Employees 16 20 28 24 16 11 5 1-4 5-8 9-12 13-16 17-20 21-24 25-28