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Ask CBSE Class 12 Commerce Economics question free ×

Queries asked on Sunday and after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.

• CBSE×
• Class 12 Commerce×
• Economics×

# CBSE Class 12 Commerce Economics Free Doubts and Solutions

## Nemi’s problem is to analyze the effect of Advertisement on sales. Firstly, He wants to understand the presence of a linear relationship between the sales and ‘amount spent in advertisement’. He also wants to run a correlation and regression to know whether he should keep spending money on Advertisements or not. If sales figures are not affected by advertisement, he should not spend money on it. So, take the EXCEL output of the following and write the interpretation.  Appropriate type of Graph which can exhibit the linear relation b/w variables.  Karl Pearson’s Correlation Coefficient  Regression Analysis  Graph that shows predicted v/s actual sales figures. Region code Sales (INR 000s) Advertising (TV spots per month) (in INR, 000s) 1 260.3 5 2 286.1 7 3 279.4 6 4 410.8 9 5 438.2 12 6 315.3 8 7 565.1 11 8 570.0 16 9 426.1 13 10 315.0 7 11 403.6 10 12 220.5 4 13 343.6 9 14 644.6 17 15 520.4 19 16 329.5 9 17 426.0 11 18 343.2 8 19 450.4

Asked by ashishpanwar2104 2nd April 2021, 4:34 PM

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## measures of inflation and deflation

Asked by kaurjasneet5103 3rd February 2021, 9:31 PM

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## calculate GVAmp (a) sales 100. (b) production for self consumption 50 (c) purchase of raw material 80 (d) closing stock 50. (e) opening stock 20 (f) electriciry charge 20​

Asked by tejaswinarayan6 21st January 2021, 7:59 PM

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## cbse sample paper

Asked by Shubhamsehrawat271102 21st December 2020, 8:45 PM

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## Derivate the consumption function if S = -100+.6Y

Asked by mike010thedanger 14th December 2020, 11:44 AM

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## Government of India has recently launched Jan Dhan Yojana aimed at every household in the country,  to have at least one bank account. In spite of this, the deposits made under the plan are not going to  affect the national income of the country. Defend or refute the statement, with valid argument.

Asked by harshiv.balwani 5th December 2020, 10:11 AM

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## 3. A manufacturer claimed that 90% of the furniture fittings , which he supplied to a factory confirmed as per specifications provided. An examination of a sample of 300 pieces of equipment revealed that 30 were not working . Assume Normal Distribution ,  Test his claim at a significant level of 0.05[Critical value of Z is -1.64 at 5% Level of significance]

Asked by vt8142353 25th November 2020, 1:16 PM

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## what is credit multiplier

Asked by sattuclearshots 23rd November 2020, 8:55 AM

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## Derivation of consumption function from saving function

Asked by kanishkakasliwal2003 15th October 2020, 6:19 PM

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## What is repo rate and reverse repo rate?

Asked by raksha2sanubth 11th August 2020, 5:40 PM