The following table shows the annual family income of the students enrolled in theJRMSU-TC and their general weighted average (GPA).Students Annual Family Income (Pesos) General weighted average (GPA) %185100,00050,0002793150,000180,0005300,0006500,0007230,0004. Plot the regression line with the data.348285939295

Excel procedure to plot regression line: Enter the data in an excel sheet. Select the data of two…

Answered: The following table shows the annual…

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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Use a scatter plot to display the data shown in the table below. The data represents the number of students per teacher and the average teacher salaries (in thousands of dollars) in 10 school districts. Number of Students per Teacher Average Teacher's 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 15.0 49.5 17.5 38.4 13.7 42.1 18.0 32.4 1.Construct a scatter diagram. 2.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.
The data in the accompanying table represent the total rates of return (in percentages) for three stock exchanges over the four-year period from 2009 to 2012. Calculate the geometric mean rate of return for each of the three stock exchanges. Click the icon to view data table for total rate of return for stock market indices. Click the icon to view data table for total rate of return for platinum, gold, and silver. a. Compute the geometric mean rate of return per year for the stock indices from 2009 through 2012. For stock exchange A, the geometric mean rate of return for the four-year period 2009-2012 was %. (Type an integer or decimal rounded to two decimal places as needed.) Data table for total rate of return Year A B C 2012 6.52 13.15 15.93 2011 4.79 0.00 -2.47 2010 10.00 11.85 16.38 2009 18.63 23.62 43.12 Print Done - X C Geometric mean rate of return for stock market indices Metal Platinum Gold Silver Geometric mean rate of return D 13.54% 15.78% 20.52% Print Done X
Identify statistics idenrify p
Determine whether the data is from a primary or secondary source. Primary Secondary
Identify an important reason for grouping data.
calculate mean, median, standard deviation, range , IQR, and coefficient of variation for the following data 5,2,7,8,12,11,9,4,5,10
Dixie Showtime Movie Theaters, Inc., owns and operates a chain of cinemas in several markets in the southern U.S. The owners would like to estimate weekly gross revenue as a function of advertising expenditures. Data for a sample of eight markets for a recent week follow. Market Mobile Shreveport Jackson Birmingham Little Rock Biloxi New Orleans Baton Rouge Weekly Gross Revenue Television Advertising Newspaper Advertising ($100s) 101.3 51.9 74.8 126.2 137.8 101.4 237.8 219.6 ($100s) 5.0 3.0 4.0 4.3 3.6 3.5 5.0 6.9 + (a) Use the data to develop an estimated regression equation with the amount of television advertising as the independent variable. Let x represent the amount of television advertising. If required, round your answers to three decimal places. For subtractive or negative numbers use a minus sign even if there is a + sign before the blank. (Example: -300) ŷ ($100s) 1.5 3.0 1.5 4.3 4.0 2.3 8.4 5.8 X Test for a significant relationship between television advertising and weekly…
Obesity is a growing public health concern worldwide. Adults with a body mass index (BMI) of 25 or greater are considered overweight or obese. The table shows the number of adults, in millions, who are overweight or obese in countries with different income levels, based on data from the World Health Organization and the United Nations: Country income level Adults with high BMI Adults with BMI< 25 Total (in millions) (in millions) High 549 414 963 Upper middle 612 1042 1654 Lower middle 288 1083 1371 Low 63 357 420 All 1512 2896 4408 Which of the given options correctly describes country income level and BMI type? Independent but not disjoint. Disjoint and independent. Disjoint but not independent. Not disjoint and not independent.
a3- Calculate Median and Mode from the following data: Class 20-24 25-29 30-34 35-39 40-44 45-49 50-54 55-59 60-64 Interval Frequency 222 405 508 520 525 490 457 416 166
Interpret the mean, median, and mode results using this table. Descriptions: Landfill is the number of disposal sites for solid wastes to be recycled. In the process, it entails soil destruction, thus, emitting greenhouse gases. Acid pertains to the emission of sulfur dioxide and nitrogen oxide measured in thousand tons. This results from the burning of fuels by electric utilities or utility coal consumption which is considered as a contributor to the greenhouse emission. Greenhouse is the amount of greenhouse gases in their carbon monoxide equivalent in terms of heating value, wherein heating value is the amount of heat trapped by CO2, measured in million tons.
The value(s) that occurs most frequently in a data set is called the
Find out the correlation coefficient by the concurrent deviation method: 84 88 102 100 110 80 86 86 79 78 76 74 108 106 120 Y 78

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The following table shows the annual family income of the students enrolled in the JRMSU-TC and their general weighted average (GPA). Students Annual Family Income (Pesos) General weighted average (GPA) % 1 85 100,000 50,000 2 79 3 150,000 82 180,000 85 300,000 93 500,000 92 230,000 95 4567