The Big Mac index is a way of measuring Purchasing PowerParity (PPP) between different countries. By diverting theaverage national Big Mac prices to U.S. dollars, the same goodscan be informally compared. The Big Mac can also be a goodindicator for the individual purchasing power of an economysince he exists worldwide in standard size, composition andquality.Price # of Countries Rel. f. Cum. f1.50-1.9922.00-2.4942.50-2.9973.00-3.499.3.50-3.9974.00-4.4984.50-4.9995.00-5.4975.50-5.9916.00-6.4926.50-6.991a. What is the statistical name of the table above?b. How many countries were sampled?c. State the class width.d. Calculate the mean and standard deviation of the averageprices of a Big Mac worldwide.Attach correct symbols and units to your answers. Explainhow youobtainedyour answers.

Price (U.S.D.) No. of countries Rel.f. Cum.f. 1.50-1.99 2 2.00-2.49 4 2.50-2.99 7 3.00-3.49…

Answered: The Big Mac index is a way of measuring…

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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(a) Use class intervals of $0 to <$3, $3 to <$6, $6 to <$9, etc., to create a relative frequency distribution for these data. (Round your answers for relative frequency to four decimal places.) Class Interval Frequency Relative Frequency $0 <$3 $3 <$6 $6 <$9 $9 <$12 $12- <$15 $15 <$18 $18 <$21 TOTAL (b) Construct a histogram. Frequency 14 12 10 8 6 4 Frequency 14 12 10 8 6 4 2 3 3 4 3 51 3 6 9 12 15 18 21 6 0.0588 9 0.0784 0.0588 12 15 18 21 Cost Cost Frequency 14 12 10 8 6 4 Frequency 15 10 5 3 6 9 3 6 9 12 15 18 21 12 15 18 Comment on its shape. O This is a unimodal distribution with a peak at the 0-3 class. The distribution is positively skewed. This is a bimodal distribution with peaks at the 12-15 and 18-21 classes. The distribution is negatively skewed. O This is a bimodal distribution with peaks at the 0-3 and 6-9 classes. The distribution is positively skewed. O This is a unimodal distribution with a peak at the 9-12 class. The distribution is reasonably symmetric. 21 Cost Cost…
2 9 11 11 13 14 14 15 15 16 16 17 17 18 18 18 18 19 19 20 give the five-number summary. find the IQR, LF, UF, outliers, range, and mid-range
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B - Does there appear to be a relationship between income and sadness, hopelessness, and worthlessness? justify your answer in your own word. points Figure 2. Feelings of Worthlessness. Hopelessness, and Sadness All or Most of the Time, by Income. 2011 Percentage of adults 4.6% 3.8% Less than $35.000 3.2% Sadness 2,3% 1.9% $35.000-49.999 Hopelessness 2.3% 1.5% 1.1% $50,000-74,999 Annual family income Worthlessness 1.3% 0.6% 0.6% $75,000-99,999 1.2% 0.5% 0.6% $100,000 or more
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