The following table shows the stock market performance of 40 industries from five sectors of the U.S. economy in a certain year. (Take S to be the set of all 40 industries represented in the table.)IncreasedDecreasedUnchanged(Z)Totals(X)(Y)Financials (F)418.Manufacturing (M)6.4414Information4Technology (T)Health Care (H)118.Utilities (U)1Totals2211740Use symbols to describe the event that an industry increased in value but was not in the manufacturing sector.OXn M'O X'U M'OX'n MOXUMX'n M'How many elements are in this event?3.

Given that The following table shows the stock market performance of 40 industry from the five…

Answered: The following table shows the stock…

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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CORRI Is there a correlation between hours slept and performance on Dr. Corvers Statistics exam? Please calculate both R and interpret. IS THERE A CORRELATION? DO ALL STEPS AND CALCULATIONS THAT YOU WERE SHOWN IN CLASS Hours Slept (X) Number of Items missed on the final exam(Y) 9. 10 9 1 11 1
3a. The following table contains data from the Chicago Public School system (CPS) on 6th graders who were retained (forced to repeat grade) or promoted (successfully advanced to the next grade). Calculate the difference in the fraction of students who drop out, comparing students who were retained versus those who were promoted. 6th graders Retained Promoted Fraction retained 0.417 Educational attainment as of fall 2005 Graduated from CPS 0.296 0.404 Dropped out Transferred to private school Moved to another public school district 0.572 0.527 0.036 0.035 0.160 0.154 Still enrolled in the CPS 0.132 0.068 Age when started high school Age when left high school Number of credits completed when left high school Age when dropped out Number of credits completed in high school before dropping out 15.218 14.909 17.243 17.283 86.430 98.469 17.025 17.044 42.863 47.855 3b. Explain why the difference you calculated does not represent the causal effect of being retained. 3c. Provide one example of…
Below are percentages for annual sales growth and net sales attributed to loyalty card usage at 74 Noodles & Company restaurants. Annual Sales Growth (%) and Loyalty Card Usage (% of Net Sales)(n = 74 restaurants) Store Growth% Loyalty% Store Growth% Loyalty% 1 -8.3 2.1 38 7.1 1.6 2 -4.0 2.5 39 7.4 1.8 3 -3.9 1.7 40 7.7 2.2 4 -3.4 2.1 41 7.9 2.2 5 -3.3 2.5 42 8.1 2.8 6 -1.9 3.0 43 8.3 2.4 7 -0.8 2.3 44 8.5 3.1 8 -0.4 2.3 45 8.6 2.2 9 -0.2 2.2 46 8.7 1.3 10 -0.2 2.3 47 8.8 1.8 11 0.5 2.1 48 8.8 2.5 12 0.6 2.5 49 8.9 1.9 13 0.8 2.0 50 9.1 2.0 14 1.9 2.0 51 9.5 2.4 15 2.0 2.0 52 10.2 2.2 16…
9. The chief executive of Rex Cars wants to investigate the relationship between the number of new car sales and the amount of money spent on advertising. She collects data from company records on the number of new car sales, y, and the cost of advertising each year, x (£000). The data are shown in the table below. Cost of advertising (£000), (x) Number of new car sale, Year (y) 2005 120 4240 2006 126 4380 2007 132 4420 2008 134 4440 2009 137 4430 2010 144 4520 2011 148 4590 2012 150 4660 2013 153 4700 2014 158 4790 a. Use your calculator to find the equation, y = a + bx, of the line of best fit (the least squares regression line of y on x). b. Interpret the value of a. c. Calculate the predicted number of car sales made in 2015 if the company spends £163 000 on advertising.
C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52
The following table is based on information from the U.S. Census Bureau regarding the type of health insurance coverage of people by age in the year 2006: Health Insurance Coverage Age <18 (A) 18-44 (B) 45-64 (C) >64 (D) Private (P) 365 545 390 185 Government (G) 210 109 105 315 None (N) 85 260 100 35 Find P(B)
8. Magazine Sales The following table shows the income, measured in thousands of dollars, from sales of a certain magazine at the start of the given year.
Can you please help me answer the last question with work shown? Thanks

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