An article gave the following data on median worker pay (in thousands of dollars) and the 1-year percent change in stock price for the 13 highestpaying companies in the United States.CompanyCompany 1Company 2Company 3Company 4Company 5Company 6Company 7Company 8Company 9Company 10Company 11Company 12Company 13- 20-40Percent Changein Stock PriceMedianWorker Pay80604020134.7-20-40132.2125.0122.8122.5121.2121.2119.0118.0(a) Construct a scatterplot for these data.Percent Change118.0117.6117.4115.1Percent Changein Stock Price21.8115 120 125 130 135 14092.433.752.441.8in Stock Price80M604020115 120 125 130 135 1402.75.130.07.837.215.722.1-44.8MedianWorkerPayMedianWorkerPayOPercent Changein Stock Price80604020- 20-40Percent Changein Stock Price80604020115 120 125 130 135 140- 20-40115 120 125 130 135 140(b) Calculate the value of the correlation coefficient. (Round your answer to four decimal places.)MedianWorkerPayMedianWorkerPay↑

From the given information, X(median worker pay) Y(Percent change in stock price) X^2 Y^2 XY…

Answered: An article gave the following data on…

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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Similar questions

Based on the line graph shown, how did Google's stock price perform between March 2015 and August 2015? Alphabet/Google (GOOG) closing stock prices 800 750 700 650 600 550 500 450 Date (A The stock price increased. (B) There is not enough information to make a determination. The stock price decreased. D) There was no change. Stock price (USD) 2-Mar-2015 1-Apr-2015 1-May-2015 1-Jun-2015 1-Jul-2015 3-Aug-2015 1-Sep-2015 1-Oct-2015 2-Nov-2015 1-Dec-2015 4-Jan-2016 1-Feb-2016 1-Mar-2016
State Per Capita Personal Income ($) Birth Rate Delaware 28,493 13.9 Maryland 28,674 13.0 District of Columbia 35,704 15.7 Virginia 26,109 13.2 18,724 11.3 West Virginia 14.2 23.168 North Carolina 13.6 20,508 South Carolina 15.8 23,822 Georgia 13.1 24,799 Florida (a) The Ts(in 3 significant figures) for the given data is equal to Blank 1. (b) The typre of relation (negative, positve, or no relation) that exist between per capita personal income and birt rate is Blank 2
The accompanying table contains historical data on staff salaries (in dollars per pupil) for 30 schools sampled in part of a country in the early 1970s. Complete parts (a) through (c) below. 3.86 2.80 2.71 2.95 3.08 1.802.60 3.32 2.52 2.12 2.58 2.682.76 2.85 3.67 3.84 3.43 2.122.94 2.83 3.04 2.43 2.18 3.693.21 3.67 2.39 2.61 3.42 3.45 a) Compute the sample mean and sample standarddeviation.(b) Construct a relative frequency histogram of thedata.(c) Construct a stem-and-leaf display of the data.
Construct a stem-and-leaf plot for the following
The ages of a sample of 12 students enrolled in an online macroeconomics course are as follows: 21 22 27 36 18 19 22 23 22 28 36 33 a. What is the mean age for this sample? b. Find the median age. c. What is the value of the modal age?
The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence ad the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point?
3. Calculate mean and median of the following. Income (Rs) 10-20 20-30 30-40 40-50 50-60 60–70 No. of workers: 15 20 20 10 5
U.S. Bureau of Labor Statistics current population survey of unemployment rate and median weekly earnings to highest degree earned. Note: Data are for persons age 25 and over. Highest Degree Earned Unemployment Rate (%) Median Weekly Earnings ($) Doctoral Degree 1.5 1,743 Professional Degree 1.5 1,836 Master's Degree 2.2 1,401 Bachelor's Degree 2.5 1,173 Associate's Degree 3.4 836 Some College, No Degree 4.0 774 High School Diploma 4.6 712 Less than a High School Diploma 6.5 520 Overall 3.6 907 What was the overall national: a) percentage of unemployment? b) median weekly earnings?
Students_Per_Teacher Average_Salary 17.2 28.6 17.8 46.6 18.2 32.1 17.4 27.6 18.4 39.8 17.6 32.8 15 49.5 17.5 38.4 13.7 42.1 18.0 32.4 (A)Construct a scatter diagram. (B) Describe the relation between students per teacher and average teacher salary. A. As the amount of students per teacher increases, the average teacher salary also increases. B. As the amount of students per teacher decreases, the average teacher salary increases. C. There appears to be no relation between students per teacher and average teacher salary.
2. The Ghana Revenue Authority (GRA) publishes annual figures on individual income tax returns in Statistics of Income, Individual Income Tax Returns. For the year 2009, the GRA reported that the mean tax of individual income tax returns was GH¢ 10,319. In actuality, the GRA reported the mean tax of a sample of 292,966 individual income tax returns from a total of more than 130 million such returns. a. Identify the population under consideration. b. Identify the variable under consideration. c. Is the mean tax reported by the GRA a sample mean or the population mean? d. Should we expect the mean tax x, of the 292,966 returns sampled by the GRA to be exactly the same as the mean tax, u, of all individual income tax returns for 2009? e. How can we answer questions about sampling error? For instance, is the sample mean tax x reported by the GRA likely to be within GHC 100 of the population mean tax, p?
The annual incomes for 8 professions are shown below. From the data, identify the best measure of central tendency to find the average annual income of the 8 professions with justification. Profession Annual Income Farming, Fishing, and Forestry $19,630 Sales and Related $28,920 Architecture and Engineering $56,330 Healthcare Practitioners $49,930 Legal $69,030 Teaching & Education $39,130 Construction $35,460 Professional Baseball Player $2,476,590

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