2. Calculate the quartiles, deciles and percentiles for the following data given belowIncome (in Rs.)No. of workers81215192430424524

Quartiles are the partition values that divide the series into four equal parts for which three…

Answered: 2. Calculate the quartiles, deciles and…

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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Comment on one aspect of the comparison of data from the twodatasets that can be seen more easily on the histograms than onthe boxplots.
A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 152 28 19 127 38 212 65 664 32 69 United States P/E Ratio 16 25 25 42 23 15 Find the value of the test statistic. W = 16 X 28 15 28 39 17 15 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and a = 0.01 to support your conclusion. State the null and alternative hypotheses. O Ho: The two populations of P/E ratios are identical. H₂: The two populations of P/E ratios are not identical. O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies 0 O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies = 0 O Ho: The two populations of P/E ratios are not…
For the data listed below, find the following. 72, 70, 95, 91, 99, 95, 93, 80, 84 (a) the mean (b) the median (c) the upper and lower quartiles (d) the five number summary 6. (e) sketch a box-and-whiskers plot for this data **Send in photo for part e*
COMPUTE BY HAND NOT EXCEL, GOOGLE SHEETS etc 5. Write a brief paragraph about whether the in-home counseling is equally effective as the out of home treatment for two separate groups. Here are the data. The out come variable is level of anxiety after treatment on a scale from 1-10 Total In-home treatment X Out of home treatment Y X2 Y2 XY 1 3 7 9 49 21 2 4 6 16 36 24 3 1 7 1 49 7 4 1 8 1 64 8 5 1 7 1 49 7 6 3 6 9 36 18 7 3 5 9 25 15 8 6 6 36 36 36 9 5 4 25 16 20 10 1 2 1 4 2 11 4 5 16 25 20 12 5 4 25 16…
Suppose a biologist is studying the population of fish in freshwater lakes. He collects data on the number of different species of fish found in 20 lakes. The boxplot displays the results of the study with species of fish in intervals of 50. 100 150 200 250 300 350 400 450 500 550 600 Number of species of fish What is the value of the upper quartile for the data set. Round values to the nearest 25 species.
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The data to the right compare the on-time arrival performance of two airlines, X and Y. The table shows the status of 14,295 arrivals for one year. Complete parts (a) through (c) below. Airline X Airline Y On time 6,455 4,158 Delayed 2,410 1,272 ..... (a) On the basis of this initial summary, find the percentages (row or column) that are appropriate to comparing the on-time arrival rates of the two airlines. Which arrives on time more often? Airline X Airline Y 6,455 4,158 On time % 2,410 1,272 Delayed % % (Round to one decimal place as needed.)

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2. Calculate the quartiles, deciles and percentiles for the following data given below Income (in Rs.) No. of workers 5 8 12 15 19 24 30 4 | 3 4 2 4