1 29. You are given below the following information about advertising and sales :Adv. Exp. (X)(Rs. crore)Sales (Y )(Rs. crore)1001220MeanS.D.Correlation coefficientsem isutoa m0.8 st e1e

Given that Mean of X=20 Mean of Y=100 S.D of X=5 S.D of Y=12 Correlation coefficient=r=0.8

Answered: 7 29. You are given below the following…

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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8
5 68 72 +3 9. 6. 69 +1 1 72 +3 9. 3 7 70 +2 4 69 72 +4 16 71 +2 4 8 544 36 552 44 24 00 00
I’m taking a statistics and probability class. Please get this correct because I want to learn. I have gotten wrong answers on here before
For a data set of brain volumes and IQ scores of 11 miles the linear correlation coefficient is our equals 0.4 for one use the table available to find the critical values of our base on a comparison of the linear correlation coefficient or and the critical values what do you conclude about a linear correlation?
A 7. The analyst in the Dorben Company made 10 independent time studies in the hand paint- spraying section of the finishing department. The product line under study revealed a direct relation between spraying time and product surface area. The following data were collected. Study No. 1 2 3 4 5 6 8 9 10 Surface Area 170 12 150 41 130 50 70 105 95 (sq. inches) Standard Time (hours) 0.32 0.11 0.31 0.14 0.27 0.18 7 120 0.24 0.23 0.25 (7a) Compute the slope and intercept constant using regression line equations. (7b) What is the correlation coefficient? (7c) How much spray time would you allow for a new part with a surface area of 250 sq. inches? 0.22
13.
5. Use the following table to answer the question given below. Coefficient of correlation Dimension Sig (p) with variable F A -0.053 0.000 B 0.821 0.000 C -0.755 0.000 D 0.255 0.000 E -0.632 0.000 7 Comment on the correlation coefficient values (i.e. the relationship and its strength) given in the above table.
3. Regression analysis breaks scores on the DV into... (explain and give equations)
2.)Use the following data where Y is the dependent and X is the independent variable: SALES EXPERIENCE Y ('000TL) X(Years) 114 61 129 135 117 6 17 11 7 12 Test the hypothesis that there is a significant correlation between Y and X at 1% level of significance.

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7 29. You are given below the following information about advertising and sales : Adv. Exp. (X) (Rs. crore) Sales (Y) (Rs. crore) 100 12 20 Mean S.D. Correlation coefficient Y bns sem Isutoa m0.8st e16