/ 13.14. Owing to change in prices the consumerprict index of the working class in a certain area rose in a monthby one quarter of what it was before to 225. The index of foodbecame 252 from 198, that of clothing from 185 to 205, that offuel and lighting from 175 to 195 and tiat of miscellaneous from 138to 212. The index of rent, however, remained unchanged at 150. Itwas known that the weights of clothing, rent and fuel and lightingwere same. Find out the exact weight of all groups.

Answered: Image /qna-images/answer/bc406bef-4e04-48a8-8d66-5aa5aaf4de46.jpg

Answered: 13.14. Owing to change in prices the…

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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7. Make a bar graph presentation of the monthly rainfall over a period of one year, when given: MONTH RAINFALL (mm/mo) MONTH RAINFALL (mm/mo) JAN 5.8 JULY 395.2 FEB 2.3 AUG 517.5 MAR 4.3 SEPT 395.6 APR 13.3 ОСТ 152.2 MAY 186.9 NOV 35.0 JUNE 281.3 DEC 3.3 Discuss and describe the result.
The following table gives the cost of living index for 1998 with 1986 as base for different commodity groups: Food, Clothing, Fuel and Light, Rent and Miscellaneous as 440, 500, 350, 400 and 250 respectively with their weights in order in the ratio 15: 1:2:3:4. Obtain, the overall cost of living index number, suppose a person was earning $ 4,000 in 1986. What should be his salary in 1998 to maintain the standard of living as in 1986?
45. The following information relating to workers in an industrial town is given : Consumer Price Index 2017 (2012 = 100) Items of Consumption Proportion of Expenditure on item 60% Food Clothing Fuel and lighting Housing Miscellaneous 132 154 12% 147 16% 178 8% 158 4% Average wage per month in 2012 is Rs. 5,000. What should be dearness allowance expressed as % of wages? What should be the average wage per worker per month in year 2017 in that town so that the standard of living of the workers does not fall below the 2012 level ?
The prices of agricultural commodities for 1946-47 and for the inonth of Dece:mber 1950 are given below along with the value of the output of hese commodities in 1946-47: Value of outptl in million (Rs.) Prices ELIII Commodities Unit 1946-47 (Rs.) Dec. 1950 (Rs.) (1946-47) 13.75 9-70 8364 Rice Wheat Jowar maund таund 13-75 9.70 2207 6:03 8.00 876 maund 466 00 433.00 701 Cotton (raw) Tea Ibs. 1:25 1:75 534 Ibs. Calculate the weighted index mumber of prices of these commodities for December 1950 taking 1946-47 as base.
7.24 Diamonds, Part I. Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not smooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to be much higher than the price of a 0.99 diamond. In this question we use two random samples of diamonds, 0.99 carats and 1 carat, each sample of size 23, and compare the average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. The distributions and some sample statistics are shown below.20 Conduct a hypothesis test to evaluate if there is a difference between the average standardized…
4. The chemicals in clay used to make pottery can differ depending on the geographical region where the clay originated. Sometimes, archaeologists use a chemical analysis of clay to help identify where a piece of pottery originated. Such an analysis measures the amount of a chemical in the clay as a percent of the total weight of the piece of pottery. The boxplots below summarize analyses done for three chemicals-X, Y, and Z-on pieces of pottery that originated at one of three sites: I, II, or III. Site I Site II Site III 16 16 Site I 14 Site II 14 Site III 12 12 10 10 卓 Y Y Chemical Y Chemical Chemical (a) For chemical Z, describe how the percents found in the pieces of pottery are similar and how they differ among the three sites. (b) Consider a piece of pottery known to have originated at one of the three sites, but the actual site is not known. (i) Suppose an analysis of the clay reveals that the sum of the percents of the three chemicals X, Y, and z is 20.5%. Based on the…
3. Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not smooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to be much higher than the price of a 0.99 diamond. In this question we use two random samples of diamonds, 0.99 carats and 1 carat and compare the average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. 0.99 carats 1 carat $44.51 $13.32 Мean $54.42 SD $16.03 23 1558 Find a 95% confidence interval for the difference in Price Per Carat between 0.99 and 1.00 carat diamonds. Interpret the interval in context. If…
3. Prices of diamonds are determined by what is known as the 4 Cs: cut, clarity, color, and carat weight. The prices of diamonds go up as the carat weight increases, but the increase is not smooth. For example, the difference between the size of a 0.99 carat diamond and a 1 carat diamond is undetectable to the naked human eye, but the price of a 1 carat diamond tends to be much higher than the price of a 0.99 diamond. In this question we use two random samples of diamonds, 0.99 carats and 1 carat and compare the average prices of the diamonds. In order to be able to compare equivalent units, we first divide the price for each diamond by 100 times its weight in carats. That is, for a 0.99 carat diamond, we divide the price by 99. For a 1 carat diamond, we divide the price by 100. 1 carat $54.42 0.99 carats $44.51 $13.32 Mean SD $16.03 n 23 1558 Find a 95% confidence interval for the difference in Price Per Carat between 0.99 and 1.00 carat diamonds. Interpret the interval in context. If…
A manufacturer has the following data on the variation of its prices in relation to the quantity demanded: at a unit price of $ 78.00, the quantity demanded is 1200 units. With a 36% increase in price, the quantity demanded drops to 28.08 units. To determine: a) The amount that must be needed for a recipe to be maximum, a amount received maximum and the unit price. b) Determine in which quantity sold intervals the revenue is increasing and decreasing.

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