/ 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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9. pg 142 Buried change Drilling down beneath a lake in Alaska yields chemical evidence of past changes in climate. Biological silicon, left by the skeletons of single-celled creatures called diatoms, is a measure of the abundance of life in the lake. A variable based on the ratio of certain isotopes gives an indirect measure of moisture, mostly from snow. As we drill down, we look further into the past. Here is a scatterplot of data from 2300 to 12,000 years ago. Describe the effect the point in the upper-right corner has on the equation of the least-squares regression line. Silicon 350 300 250 200 150 100 50 0 -21.8 -21.4 -21.0 -20.6 -20.2 -19.8 -19.4 Isotope
2.3 - Convert the vertical axis to relative frequency and show the value that would replace each of the values on the vertical axis
1. (10 ) According to the PayScale data from 2021, the average starting salaries by college major for bachelor's degree are as follows: $70,600 for mechanical engineering, $56,700 for economics, $43,500 for chemistry, and $47,000 for philosophy. In order to estimate the true difference in the average starting salaries by college major in 2022, 60 graduates with these four majors from the class of 2022 were contacted and questioned about their starting salaries. Propose a regression model with dummy variables that could be used to investigate if starting salaries are different by college major and interpret all the coefficients in the model. 0.000
1.2.3. Sociologists recognize a phenomenon called social diffusion, which is the spreading of a piece of information, a technological innovation, or a cultural fad among a population. The members of the population can be divided into two classes: those who have the information and those who do not. In a fixed population whose size is known, it is reasonable to assume that the rate of diffusion is proportional to the number who have the information times the number yet to receive it. If an denotes the number of people who have the information in a population of N people after n days, formulate a dynamical system to approximate the change in the number of people in the population who have the information.
14. in d you choose between 1. positively / negatively / not 2. negative / positive 3. less / greater
10. From the following data of the daily wage of 500 workers of a factory find the number of workers : (a) whose wages are more than Rs. 370 but not more than Rs. 400. (b) whose wages are less than Rs. 370 but not less than Rs. 350. 0412 Wages not exceeding Rs. 300 = 150 workers Wages not exceeding Rs. 350 = 180 workers Wages not exceeding Rs. 400 = 240 workers Wages not exceeding Rs. 450 = 400 workers Wages not exceeding Rs. 500 = 500 workersdo orw atnebute
6. In the table beloe provides predicted population data about the world and India.RegionPredicted Population (millions)Region: 2035 2050World : 8,933 9766India : 1,655.7 1670.1 (d) Calculate the absolute change in the percent of the world population that liives in India between 2035 and 2050. Round your results to one decimal place. (e) The predicted population of India is incresing while the percentage of the world population predicted to live is decresing. How can that happen? Explain in full sentences.
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
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.
1. Instruction: For each of the following variables, indicate whether it is qualitative or quantitative. For quantitative variables, further categorize them into the discrete or continuous type. (a) Gender (b) Hospital bed capacity. (c) Blood glucose level (in mg/100 mL) (d) Systolic blood pressure (e) Height (in centimeter) (f) Blood type (g) Per capita income (h) Household size (i) Mid-upper arm circumference (in centimeter) () Region (k) Pulse rate (I) Civil status
8.3 = 14.5 + 5x Ox=-11.2 Ox= -1.24 O x = 1.24 O x = 11.2 %3D
9. The following are quantitative variables EXCEPT A. number of cars owned C. weight of infants B. monthly bill D. license number

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