Stock prices: Following are closing prices for a certain stock during June and July of a certain'year.JuneJuly472.68 472.08 454.26 444.95 482.37491.34 494.02 459.61 466.18 481.59493.37 498.72 485.52 484.78 474.02477.50 484.81 490.06 488.97 492.63487.01 488.50 483.19 497.99 488.56484.35 484.99 484.85 439.49 436.55Send data to ExcelPart 1 of 2(a) Find the population standard deviation and variance for the prices in June. Round the answers to at least three deciplaces.The population standard deviation for the prices in June isThe population variance for the prices in June is (b) Find the population standard deviation and variance for the prices in July. Round the answers to at least three decimalplaces.The population standard deviation for the prices in July isThe population variance for the prices in July is

Standard deviation is the square root of variance. S.D is the common measure of dispersion. It tells…

Bllowing are closing prices for a certain stock during June and July of a certain'year. June July 472.68 472.08 454.26 444.95 482.37 491.34 494.02 459.61 466.18 481.59 493.37 498.72 485.52 484.78 474.02 477.50 484.81 490.06 488.97 492.63 487.01 488.50 483.19 497.99 488.56 484.35 484.99 484.85 439.49 436.55 Send data to Excel Part 1 of 2

Bllowing are closing prices for a certain stock during June and July of a certain'year. June July 472.68 472.08 454.26 444.95 482.37 491.34 494.02 459.61 466.18 481.59 493.37 498.72 485.52 484.78 474.02 477.50 484.81 490.06 488.97 492.63 487.01 488.50 483.19 497.99 488.56 484.35 484.99 484.85 439.49 436.55 Send data to Excel Part 1 of 2

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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Rates of Return - ✓ deviat are in D Financial Energy Utilities fd 10.76 12.89 11.88 15.05 13.96 . 5.86 17.21 6.33 13.67 ro 5.07 11.19 9.82 19.50 18.93 3.95 no nclude th 8.16 20.73 3.44 ed. 10.45 9.60 7.11 6.52 17.40 15.70 O SU elow. Print Done
Period People (Y) Ocupation percentage (X) 2009 1T 46,977,904 59.7 2009 2T 47,453,163 59.3 2009 3T 48,738,589 60.2 2009 4T 48,903,792 60.4 2010 1T 48,069,274 59.9 2010 2T 49,133,132 60.2 2010 3T 49,190,032 58.7 2010 4T 48,478,718 58.8 2011 1T 48,505,168 59.3 2011 2T 49,482,112 59.5 2011 3T 50,127,032 59.7 2011 4T 50,772,496 60.5 2012 1T 50,192,842 60.3 2012 2T 51,477,178 60.7 2012 3T 51,927,050 60.7 2012 4T 51,317,999 60 2013 1T 50,847,242 60 2013 2T 51,895,865 60.4 2013 3T 52,034,353 60.2 2013 4T 52,370,886 60.7 2014 1T 51,559,018 60.3 2014 2T 51,836,752 59.8 2014 3T 52,192,043 59.6 2014 4T 52,108,400 59.4 2015 1T 52,007,842 59.7 2015 2T 52,623,721 59.6 2015 3T 53,179,919 59.7 2015 4T 53,809,017 60.3 2016 1T 52,918,649 59.7 2016 2T 53,539,565 59.6 2016 3T 54,226,803 59.9 2016 4T 54,034,800 59.6 2017 1T 53,681,720 59.7 2017 2T 54,068,791 59.3 2017 3T 54,369,915 59.1 2017 4T 54,696,638 59.3 2018 1T 54,590,773…
Stock prices: Following are closing prices for a certain stock during June and July of a certain year. June July 474.02 487.01 488.50 483.19 497.99 456.56 467.49 475.83 489.20 491.34 488.56 486.25 482.05 472.68 472.08 494.02 459.61 466.18 481.59 477,50 454.26 444.95 482.37 493.37 498.72 484.81 490.06 488.97 492.63 484.35 Send data to Excel Part 1 of 2 (e) Find the population standard deviation and variance for the prices in June. Round the answers to at least three decimal places The population standard deviation for the prices in June is The population variance for the prices in June is Part 2 of 2 (b) Find the population standard deviation and variance for the prices in July. Round the answers to at least three decimal places The population standard deviation for the prices in July is
can someone please help. I keep getting an error. I may not be entering the formula correctly Life Expectancy 60.51 77.35 70.88 51.46 75.67 76.01 74.44 82.10 80.94 70.62 74.91 76.54 70.29 75.13 72.06 80.39 73.70 59.12 79.29 67.89 66.93 76.12 46.99 73.62 78.37 74.31 55.86 53.63 74.54 71.41 54.59 81.24 49.48 50.70 79.57 75.20 73.78 60.64 49.62 58.30 79.71 50.40 76.92 79.64 78.08 80.05 61.30 73.23 76.19 70.91 72.10 52.61 62.23 76.43 62.97 69.74 80.63 82.57 63.07 58.61 73.94 80.89 60.95 80.63 72.61 71.66 55.84 54.03 66.05 62.70 73.49 83.48 75.06 82.92 66.21 70.61 73.76 69.24 80.90 81.70 82.94 73.28 83.10 73.75 69.61 61.08 68.53 81.37 70.50 74.36 70.00 67.81 73.78 79.85 48.84 60.21 75.18 73.86 81.39 80.13 75.03 64.25 54.72 74.84 77.57 54.60 80.75 61.35 73.57 77.14 68.85…
4
Earnings per Current stock share, x (in dollars) 35.99 32.89 41.87 56.94 58.58 28.41 28.15 38.45 50.10 51.95 30.64 41.65 16.11 21.02 42.36 16.78 price, y (in dollars) 1.43 1.72 1.14 2.72 2.20 0.78 1.02 1.22 1.40 2.62 1.49 1.77 0.66 0.62 1.55 0.53 Send data to calculator Send data to Excel Current stock price, y (in dollars) greater than less than Earnings per share, x (in dollars) Based on the sample data and the regression line, complete the following. (a) For these data, current stock prices that are less than the mean of the current stock prices tend to be paired with values for earnings per share that are (Choose one) the mean of the values for earr are. (b) According to the regression equation, for an increase of one dollar in earnings per share, there is a corresponding increase of how many dollars in current stock price? (Do not round your answer.) 0 (c) From the regression equation, what is the predicted current stock price (in dollars) when the earnings per share is 58.58…
Stock prices: Following are closing prices for a certain stock during June and July of a certain year. June July 472.68 472.08 454.26 444.95 482.37 491.34 494.02 459.61 466.18 481.59 493.37 498.72 485.52 484.78 474.02 477.50 484.81 490.06 488.97 492.63 487.01 488.50 483.19 497.99 488.56 484.35 484.99 484.85 439.49 436.55 Send data to Excel Part 1 of 2 (a) Find the population standard deviation and variance for the prices in June. RoUnd the answers to at least three deci places. The population standard deviation for the prices in June is The population variance for the prices in June is
Stock prices: Following are closing prices for a certain stock during June and July of a certain year. June July 472.68 472.08 454.26 444.95 482.37 491.34 494.02 459.61 466.18 481.59 493.37 498.72 485.52 484.78 474.02 477.50 484.81 490.06 488.97 492.63 487.01 488.50 483.19 497.99 488.56 484.35 484.99 484.85 439.49 436.55 Send data to Excel Part 1 of 2 (a) Find the population standard deviation and variance for the prices in June. Round the answers to at least three decimal places. The population standard deviation for the prices in June is The population variance for the prices in June is
Part 2
Hi! I pretty much don't understand these problems that were presented on my Statistics class
Contingency Table Type of Heating By Delinquent in Payment? Count Yes No Totals Electricity 20 130 150 Heating Oil 15 20 35 Natural Gas 50 240 290 Propane 12 39 51 Totals 97 429 526 The JMP output of the analysis is below. Calculate "A" and "B" below. Report to 2 decimal places for each answer. OContingency Table Delinquent in Payment? Count Yes No Expected Cell Chi^2 Electricity 130 27.6616 122.338 20 150 2.1221 0.4798 Heating Oil 15 20 35 6.45437 A 11.3145 2.5583 Natural Gas 50 240 290 53.4791 236.521 0.2263 0.0512 Propane 12 39 9.40494 41.5951 0.1619 97 429 526 Type of Heating 51