2 8. (a) Find the median and mean deviation of the following data :FrequencySizeFrequencySize0-10740-501610-201250-601420-301860-70830-4025

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Answered: 28. (a) Find the median and meán…

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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Q1. The distribution of a sample of 100 women of reproductive age group in a given community is given below: Age group (years) Frequency 15 -19 41 20- 29 32 30 -39 17 40 - 49 10 Total 100 Calculate the mean and standard deviation of the age of this group of women in the community
Age of residents in a neighbourhood 26 45 27 50 40 52 12 28 48 52 14 20 32 9 36 10 36 51 42 1 30 21 40 37 13 35 57 47 42 53 Create a box-and-whisker plot for the data. What is the sample standard deviation of the data set? Use IQR and the standard deviation to determine if there are any outliers in the data set. I am unsure of my answer for the last question as I got IQR= 26 and - 18 and 85 when I inputed the numbers for it
Q3 a) Calculate the Median, Mode and standard deviation of the following data (20) Weights 63 64 65 66 67 68 69 70 71 4 10 30 13 2 No of students 3. 12 20
In a study on running and happiness, runners indicated the number of miles they ran in a day and their subsequent score on a Happiness Survey (higher score = greater happiness). Runner # of miles (x) Happiness Score (y) 1 16 12 2 4 3 12 14 4 2 8 For these data: The mean of miles run is: 8.50 The mean of the Happiness scores is: 10.00 The standard deviation of the Miles scores is: 5.72 The standard deviation of the Happiness scores is: 3.16 In your submission, please include a copy of the SPSS or Excel output and answer the following: A. What is the r and r? value? B. Based on Pearson's r and r2 value, describe the relationship (direction/strength) that exists between # of miles run and Happiness scores. C. Create a scatterplot for the data using Excel or SPSS (include output in your submission). D. Insert the prediction line from Excel/SPSS on your scatterplot.
(a) Find the median and meán deviation of the following data: Size Frequency Size Frequency 0-10 7 40-50 16 10-20 12 50-60 14 20-30 18 60-70 8 30-40 25
The incomes of math tutors in a tutoring center of a university are normally distributed with a mean of $1100 and a standard deviation of $150 what percentage of tutors earn less than $900 a month
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28. (a) Find the median and meán deviation of the following data : Size Frequency Size Frequency 0-10 7. 40-50 16 10-20 12 50-60 14 20-30 18 60-70 8 30-40 25