21. Calculate the coefficient of correlation from the following data by theSpea:ars Rank difference method :Price of Tea (Rs.)bucehasPrice of Coffee (Rs.)T Price of Tea (Rs.)Price of Coffee (Rs.)75 8.28120S.ee6011088 2.8T1348.89mon8014095 8.8T1508.89.8114270 STTS.T8.8811550100

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Answered: * a 21. Calculate the coefficient of…

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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The following sample contains values of the price and quantity sold of a particular commodity. Use quantity sold as the dependent variable Y. Price (X) 6.00 3.00 7.00 1.00 2.00 8.00 Quantity sold (Y) 53 67 48 76 70 28 ∑x}=27, ∑y=342, ∑x2=163, ∑xy=1295, ∑y2 = 21062, n=6. d. Find the coefficient of determination and interpret .
Mail X Gene × b Succe x YouTube M Gmail V Books ✰ nightingale.instructure.com/courses/3367087/assignments/33979308?module_item_id=76315289 Kinnser Software Mail - Hayley Murra... The data shown below consists of the price (in dollars) of 7 events at a local venue and the number of people who attended. Determine if there is significant negative linear correlation between ticket price and number of attendees. Use a significance level of 0.01 and round all values to 4 decimal places. Week X ← → C Account Dashboard Courses 28 Groups looo HEI Calendar 凸 Inbox H History R Studio Logi X M Inbox x 2022-2 Home Announcements Syllabus Modules Grades People Office 365 Secure Exam Proctor (Proctorio) Library Make Tuition Payment Accredible Class Notebook Unicheck Type here to search Bookshelf Ambassa... Ticket Price 6 10 14 18 22 26 30 34 Ho: p = 0 Ha: p < 0 Find the Linear Correlation Coefficient Find the p-value p-value = Attendence 152 141 147 143 138 138 131 132 The p-value is O Greater than a…
A data set contains information on the grams of fat and number of calories in 24 different fast foods. The correlation coefficient between fat content and calories is determined to be -0.63. Calculate the p-value for the test of significance.
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Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant linear correlation between advertising cost and profit Use a significance level of 0.01 and round all values to 4 decimal places. Advertising Cost Profit 3 21 4 16 5 29 17 7 28 8 21 Ho: p = 0 Ha: p +0 Find the Linear Correlation Coefficient r= Find the p-value p-value = The p-value is Less than (or equal to) a OGreater than a The p-value leads to a decision to Do Not Reject Ho OReject Ho OAccept Ho
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Based on the scatter plot below on data from Central Harlem, would you estimate the correlation coefficient to be positive, negative, or close to 0? Select the correct correlation and corresponding explanation. Household Income vs. Serious Crime Rate (per 1,000 residents) CentralHarlem Data Scatter Plot: 22- 21- 20- 19- 18- 17 16- 15 32 34 36 38 40 42 Household_Income (thousands) Positive; As the household income increases, the serious crime rate decreases. A. Negative; As the household income increases, the serious crime rate decreases. B. Positive; As the household income increases, the serious crime rate also increases. OC. Negative; As the household income increases, the serious crime rate also increases. D. Close to 0; There is no linear correlation between household income and serious crime rate. E. A Moving to another question will save this response. Question 24 of 25 MacBook Air Serious crime_rate
the accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Age, x Vocabulary size, y1 32 2603 5904 11005 19006 25003 7305 22002 2504 13006 2400 1. Calculate the sample correlation coefficient r. 2. Describe the type of correlation, if any, and interpret the correlation in the context of the data. 3. Use the table of critical values for the Pearson correlation coefficient to make a conclusion about the correlation coefficient. Let α=0.01.

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* a 21. Calculate the coefficient of correlation from the following data by the Spea:naTs Rank difference method : Price of Tea (Rs.) Price of Coffee (Rs.) Price of Tea (Rs.) Price of Coffee (Rs.) CS2012) 75 8.88 120 60 110 non 88 8.8T 134 8.88 80 140 95 8.21 150 8.89. 81 142 70 115 50 100 S.T8