Illustration 63.The cost of living index number rose during 1998 by one quarter of what itwas during 1997 to 225. The index of food went to 250 from 200, that of clothfrom 190 to 210, that of fuel from 180 to 190, and that of other items from 140to 160, while that of rent remained unchanged at 150. If the weight of fuel, rentand clothing were the same, determine the exacts weight of all the groups of items.Also comment upon the paradoxical result, if any.

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Answered: The cost of living index number rose…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Illustration 13.15. Construct the index no. of business activity from the following data using (a) A.M. and (b) G.M. Item Weight Index Industrial Production 36 30 Mineral Production 7 135 Internal Trade 24 200 Financial Activity 20 135 Exports and Imports Shipping Activity 7 325 6. 300
Which of the following could most be considered an ordinal variable? a. Height (ft) b. Weight (kg) c. Body mass index (kg/m2) d. Education level e. Annual Income ($)
The percentage of students meeting national mathematics benchmarks on the ACT increased from 40%in 2004 to 43% in 2008. Calculate and write a sentence interpreting each of the following descriptions of change. 1. change 2. percent change 3. average rate of change
Indiana's DOT announces a goal to reduce their motor vehicle death rate so that it is proportional to Illinois. How many deaths would Indiana be able to have to achieve this goal... Indiana deaths...693...populatin...6 million Illinois deaths...911...population...12.4 million
If Amy spends the whole day swimming every Friday, and only Friday, what percentage of her days in a 15-week period are devoted to swimming?
Your younger brother, a fourth form practical geography student wishes to test whether there could be some relationship between annual visits to a local market by all residents surrounding that market. After a well-designed field study he obtains the following figures: Number of visits per year 21 13 19 18 17 17 14 20 10 11 Residence distance from market (KM) 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 From the information above, what is the dependent variable and what is the explanatory variable? Using (i) above, obtain the regression equation of Yi on Xi. Hence, estimate the residence distance from the market (in KM) if the number of visits are 16 visits Sketch your results in (ii) above. What conclusion can you draw from your sketch?
An editorial in The New York Times on Sunday, June 4, 2011 discussed the redesigned fuel economy stickers to be required on new cars starting in 2013. Consider a new midsize Ford Fusion S model. At $4-a-gallon gas, annual fuel costs would be about $2,200 for 15,000 miles driven. ... And that’s for a car with a rated mileage of 34.9 m.p.g. (actual highway mileage, as with all vehicles, is lower, in this case about 27 m.p.g.). Industry clearly needs to do better. Did the Times use the rated or the actual mileage in its computation? In Canada, some multi-lane highways have a speed limit of 110 km/hour. Convert this speed to miles per hour, so you'll know how fast you may drive in Canada.
In 1975, there were about 139 million vehicles (cars and trucks) and about 216 million people inthe United States. The number of vehicles has been growing at 4% per year, while the populationhas been growing at 1% per year. In what year was there, on average, one vehicle per person?
(e) Test the hypothesis Ho : B1 = 10 versus H1 :ß, # 10 using a = 0.01. Ho and conclude the slope v 10 at a = 0.01. (d) Test the hypothesis Ho : Bo = 0 versus H1 : Bo + 0 using a = 0.01. Ho and conclude that the intercept be included in the model.
A recent survey found that in a particular city of all poor children born in 1980, 11,500 enrolled in college, and 1024 graduated from college by age 24. Scale this rate to 100.
The shortage of organs for transplant is a continuing problem. At the end of 2000, there were 3536 people waiting for a heart transplant, 3355 for a lung transplant, 16,012 for a liver transplant, and 46,824 for a kidney transplant. Corresponding figures for 2003 were 3292, 3543, 16,985, and 56,590, respectively. In 2006, the figures were 2625, 2691, 16,882, and 68,412, respectively. Express the information as a matrix, labeling rows and columns. Fill in the matrix below. Heart Liver 3536 46,824 3543 56,590 2006 2625 16,882
Suppose 26% of all college students are business majors; 27% of all college students are women; but 10% of business majors are womenWhat percent of college students are female business majors? Round your answer to three decimal places.

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