4.A study of prices of a certain commodity at Hapur and Kanpuryield the following data :НариrКапригRs.Rs.Average price per kilo2.4632-797Standard deviation326207r between prices at Hapur and Kanpur+ 0-774Estimate from the above data the most likely price (a) at Hapurcorresponding to the price of Rs. 2:334 per kilo at Kanpur, (b) at Kanpurcorresponding to the price of 3-052 per kilo at Hapur.

Answered: Image /qna-images/answer/dbcd511d-1984-439c-b5f7-ca6d98aed384.jpg

Answered: 4. A study of prices of a certain…

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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2. Compute the mean absolute deviation (MAD) and mean square error (MSE) for the following errors: Period (t) 1 2 3 6 4 5 7 Forecast (F;) 6.5 3.8 9.2 1.2 2.3 8.3 6.5 Error (e,) -2.3 | 1.3 -0.9 | 2.1 0.5 | -3.8 | 2.9 Calculate the actual values also.
4. Summary statistics for the data are shown in the table below. Меan Standard Deviation Iland, x 17.682 1.168 Foot, y 23.318 1.230 Pearson correlation r 0.948 (a) Find the slope by using the formula (b) Find the y-intercept by using the formula a = y – br (c) Find the regresssion equation, using the words "IHand" and "Foot," not r and y. (d) Using the regression equation, predict the foot length (in em) for someone who has a hand length of 18 cm.
I hope the solution is to choose the correct one only, no more
QUESTION 30 A commonly used test of intelligence (IQ) results in a normal distribution with a mean of 100 and a standard deviation of 15. What percentage of the population has an IQ between 70 and 130? O34 48 50 O 68 96 QUESTION 31 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 3325 Chapter 1.pptx 3325 Chapter 11.pptx 3325 Chapter 14.pptx 3325 Chapter 1..pptx MacBook Air
In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered: East West n1= 40 I1=72 (in $1000s) 2= 78 (in $1000s) 51 =6 (in $1000s) n2= 45 s2 = 8 (in $1000s) Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West. Use a = .05. At 95% confidence, use the p-value approach and test to determine if the average a. b. yearly income of marketing managers in the East is significantly different from the West
eat out or in The overall change in the consumer price index is a weighted average of changes in various categories. on november 19, 2011 the boston globe reported the data displayed in figure 5.7. the change in the CPI for food is a weighted average of the change in the cost of food at home and the change in the cost of food away from home. find the weights.
1. What is the value of the slope of the best fit trends line for the relationship between TDD and the depth of the active layer. 2. If α = 0.05, is this slope statistically significant? (yes/no) 3. Compute a new variable that states the depth of the active layer in inches. The conversion formula is: (depth in inches) = (depth in centimetres) / 2.54 What is the mean depth of the active layer, measured in inches?
7. Ecological Applications study on the development following wildfires in the Pacific Northwest. One variable of interest to the researcher was tree diameter at breast height 110 years after the fire. The population of Douglas fir trees was shown to have an approximately normal distribution with mean tree diameter ? = 50 centimeters (cm) and ? = 14 cm. Find the diameter, d, such that 20.9% of the Douglas fir trees in the population have diameters that exceed d. published a of forests

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