Consider the following data about the annual sales ($000's) of 50 employees (sorted in ascending order). What is the 75th percentile ofannual sales?274387530580635295400535583663300403540585670305405541586671313420542600688316424546604694340460552607710351481556611716382499559627724385528575633738

Answered: Consider the following data about the…

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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Find the 99th percentile, P99, from the following data 11.2 11.8 12.3 12.8 13.3 13.6 13.7 14.1 16.6 19.5 20.8 21 22.6 24.4 25.4 27.5 27.6 27.9 29.1 33.2 35.5 37.7 41.6 42.4 47.2 43.7 46.8 46.9 47.8 P99 = 43.1 47.7
The average quantitative GRE scores for the top 30 graduate schools of engineering are listed. Construct a frequency distribution with 6 classes. 767 770 761 760 771 768 776 771 756 770 763 760 747 766 754 771 771 778 766 762 780 750 746 764 769 759 757 753 758 746 Which shows class boundary, Class limits, Mid-point, frequency, and cumulative frequency
2. Plot histogram and polygon diaerat! H.W(1) the data below represent workers' wages: 10 21 43 46 53 75 55 40 36 47 30 41 48 52 32 47 35 46 56 66 62 61 21 63 22 37 15 57 25 27 50 72 31 45 32 39 49 35 42 54 42 44 51 32 44 48 23 71 18 65 1. Create a frequency table. 3. Plot Ascending and descending cumulative frequency. 4. Find the number of workers who have wages less than 35$. 5. Find the percentage of the number of workers who their wages ranging are between (25-55)$.
The following data represent salaries, in thousands of dollars, for employees of a small company. Notice the data have been sorted in increasing order. 54 55 55 57 57 59 60 65 65 65 66 68 68 69 69 70 70 70 75 75 75 75 77 82 82 82 88 89 89 91 91 97 98 98 98 280 a. Make a histogram using the class boundaries 53.5, 99.5, 145.5, 191.5, 237.5, 283.5 b. Look at the last data value. Does it appear to be outlier? Could this be the owners salary? c. Eliminate the high salary of 280 thousand dollars. Make a new histogram using the class boundaries 53.5, 62.5, 71.5, 80.5, 89.5, 98.5. Does this histogram reflect the salary distribution of most of the employees better than the histogram in part a?
Here are annual number of deaths from tornadoes in the United States of America from 1990 to 2000: 53 39 39 33 69 30 25 67 130 94 40 Calculate the range for this data set
The following data provides the monthly streaming bill for a random sample of 20 households along with the number of televisions in the household (TV), the number of people living in the household (People). and the number of years that household has been a streaming customer (Years). Calculate the adjusted multiple coefficient of determination for predicting the streaming bill. Place the answer in decimal points.
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 155 26 19 123 36 215 61 667 35 69 United States P/E Ratio 14 21 21 45 28 11 26 11 26 39 13 11 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and ? = 0.01 to support your conclusion. Find the value of the test statistic. W = Find the p-value. (Round your answer to four decimal places.) p-value =

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