9. By using the average of the quantifies of two years as weights, compute aprice index.CommodityQuantity toboPrice in 2016 2 Price in 2017(Rs.)ar 20 umTOThe yal20162017(Rs.)T16s2528109.2540 g ium4025Sib

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Answered: 9. By using the average of 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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information : Fuel Others Clothing Expenses on Food Rent -> 20% 10% 25% 30% 15% 70 20 40 Prices (in Rs.) in 1997 100 20 60 15 55 Prices (in Rs.) in 1998 90 20 Compute the price index number using : (i) Weighted A.M. of price-relatives. (ii) Weighted G.M. of price-relatives.
Eleven sales executive trainees are assigned selling jobs right after their recruitment. After a fortnight they are withdrawn from their field duties and given a month's training for executive sales. Sales executed by them in thousands of rupees before and after the training, in the same period are listed below : Sales ($. '000) (Before Training) : 23 20 19 21 18 20 18 17 23 16 19 Sales ($. '000) (After Training): 24 19 21 18 20 22 20 20 23 20 27 Do these data indicate that the training has contributed to their performance ?
The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? O A. The variable "weekly time spent watching television" is likely uniform, not normally distributed. O B. The variable "weekly time spent watching television" is likely skewed left, not normally distributed. O C. The variable "weekly time spent watching television" is likely normally distributed. O D. The variable "weekly time spent watching television" is likely skewed right, not normally distributed. O E. The variable "weekly time spent watching television" is likely symmetric, but not normally distributed. (b) According to a certain survey, adults spend 2.45 hours per day watching television on a weekday. Assume that the standard deviation for…
ZOOM + 2. Researchers studying acid rain recorded the pH level for a sample of 26 water sources in Pennsylvania. The sorted list of the data (some values have been obscured), the histogram of the data, and some other statistics are below. Histogram of pH levels Sort (pH) Frequency 10 10- 4.12 4.12 ?? ?? 4.29 ?? 4.31 4.39 4.39 4.40 4.41 4.45 4.52 4.56 4.57 4.60 ?? ?? 4.73 ?? 5.08 5.29 5.51 5.62 5.67 5.78 Summary statistics: Col n Min Max Q1 pH Q3 26 4.12 5.78 4.31 4.82 a) Find the median pH level. Carefully show your work. b) Considering your answer to part a) and the histogram, which would be the best choice for the sample mean pH level (4.68, 4.56, or 4.00 units)? Explain. c) Find the Range of the pH levels. d) Find the IQR of the pH levels 1 pH 3. The following numbers are a sample of ten of my golf scores from 2020. In golf the “units" are technically called "strokes". Find my mean score and the standard deviation of my scores. 98, 94, 88, 90, 86, 92, 86, 85, 84, 87
None
provide A and B both answer with explanation
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Forecasting: 1. How does the number of periods in moving average affect the responsiveness of the forecast? 2. Contrast the terms sales and demand. 3. KA commercial bakery has recorded sales (in dezens) for three products, as shown below: Blueberry MuHins Cinnamon Buns Day Cupcakes 30 18 45 34 17 26 32 19 27 34 23 35 2 22 30 23 48 23 29 34 36 25. 20 29 24 14 10 31 26 18 35 31 11 27 47 28 26 27 37 34 13 14 31 24 15 33 33 22 a. Predict orders for the following day for cach of the products using an appropriate naive method. b What should the use of sales data instead of demand imply. RNN N N N H.NM p
Assuming equal effort (# of nets in the water has not changed and the fishing season dates have stayed the same) identify trends in the squid population you see in the data. Based on your textbook reading this week, speculate what processes or dynamics could produce the population trends seen in your data.
2. What features V Good Presentation Bad Presentation of the 'Good Minimum Wage Minimum Wage $ 1960: $1.00 Presentation' 1970: $1.60 make it better than the ' Bad 2 1980: $3.10 1990: $3.80 1960 1970 1980 1990 Presentation'? A. Bad Presentation V Good Presentation Quarterly Sales Quarterly Sales 2. 200 %24 50 100 Q1 Q2 Q3 04 01 02 03 04 B. w 26°C ヘ 25
or each predictor variable, state the P-value and determine whether the predictor variable is significant in explaining delivery charges. Predictor variables P-value Significant in explain Delivery charges Distance .................. .............. Weight .................. .............. Boxes ............... .................

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9. By using the average of the quantifies of two years as weights, compute a price index. Commodity Quantity o Price in 2016 2 Price in 2017 (Rs.) (Rs.) 20 uol 2017 The yalue bus A 2016 f16 125 28 10 7 25 30 29 24 COLL