For the blocks installed in front of you, find thearithmetic median in two ways: 1/ the classifiedmethod 2/ the unclassified method, using the nthroot and logarithmsUnclassified samplesClassified samples438.6.250-6069-7278-8680-9195-99Category CenterFi1730151810

A median is that value in a dataset that lies in the middle of the dataset such that 50% of the data…

Answered: For the blocks installed in front of…

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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Q4A The British Department of Transportation studied to see if people avoid driving on Friday the 13th. They did a traffic count on a Friday and then again on a Friday the 13th at the same two locations ("Friday the 13th," 2013). The data for each location on the two different dates is in following table: Table: Traffic Count Dates 6th 13th 1990, July 139246 138548 1990, July 134012 132908 1991, September 137055 136018 1991, September 133732 131843 1991, December 123552 121641 1991, December 121139 118723 1992, March 128293 125532 1992, March 124631 120249 1992, November 124609 122770 1992, November 117584 117263 Let μ1 = mean traffic count on Friday the 6th. Let μ2 = mean traffic count on Friday the 13th. Estimate the mean difference in traffic count between the 6th and the 13th using a 90% level. (i) Determine the sample mean of differences x⎯⎯di Determine the sample mean of…
A food bank investigates if the number of times their donors walk by a homeless person each week impacts donors’ charitable contribution to the food bank. The data are presented below in standard form. # of homeless people seen each week Donation to food bank Donor ZX ZY 1 -1.3 0.36 2 0.64 -0.09 3 -1.1 1.26 4 -0.14 0.14 5 1.41 -0.54 6 -0.52 -0.09 7 1.03 -1.9 8 0.64 -0.99 9 0.83 0.36 10 -1.49 1.49 What does ΣZXZY equal? A) 941B) 7.86C) -7.16D) -4.44 What is the correlation (Pearson’s r) between the number of homeless people donors see each week and their donation to the food bank (rounded to 2 decimal places)? A) .98B) -.80C) .72D) -.56 What is the obtained t-value for this r? A) -2.96B) -16.35C) -3.72D) -1.89 What are the degrees of freedom? A) 4B) 20C) 8D) 10 What is the critical t-value? A) 3.68B) 2.31C) 2.01D) 3.30 What is your conclusion? A) There is…
For each test below, describe what it is used for and to what type of data does it apply.(a) Rosner’s test(b) Grubb’s test(c) Dixon’s test
as survey of 4050 US adults find a 15% use ridesharing applications identify the population in the sample describe the data describe the sample data set
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An administrative assistant for the athletics department at a local university is moni- toring the GPAs for eight members of the women's volleyball team. He enters the GPAs into the database but accidentally misplaces the decimal point in the last entry. 2.8 3.0 3.0 3.3 2.4 3.4 3.0 21 Use a dotplot to describe the data and uncover the assistant's mistake.
Data: 3.5, 3.2, 3.1, 3.5, 3.6, 3.2, 3.4, 2.9, 4.1, 2.6, 3.3, 3.5, 3.9, 3.8, 3.7, 3.4, 3.6, 3.5, 3.5, 3.7, 3.6, 3.8, 3.2, 3.4, 4.2, 3.6, 3.1, 2.9, 2.5, 3.5, 3.1, 3.2, 3.7, 3.8, 3.4, 3.6, 3.5, 3.2, 3.6, 3.8 Sketch a histogram with ranges of 0.1, from minimum (2.5) to maximum (4.2) values. Then sketch a histogram with ranges of 0.3. You can include the relative frequency scales on the same sketches.
An outlier
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Thao earned the following scores on her six management exams last semester. 79, 79, 42, 88, 79, 93 Ф Find the mean, the median, and the mode for Thao's scores. The mean for Thao's scores is (Type an integer or a decimal. Round to the nearest hundredth as needed.)

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For the blocks installed in front of you, find the arithmetic median in two ways: 1/ the classified method 2/ the unclassified method, using the nth root and logarithms Unclassified samples Classified samples 4 %3D 50-60 69-72 78-86 80-91 95-99 3 8. 2 Category Center Fi 17 30 15 18 10