Tr Jain Vk Ohri 2018 Solutions for Class 11 Commerce Economics Chapter 1 Concept Of Economics And Significance Of Statistics In Economics are provided here with simple step-by-step explanations. These solutions for Concept Of Economics And Significance Of Statistics In Economics are extremely popular among Class 11 Commerce students for Economics Concept Of Economics And Significance Of Statistics In Economics Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Tr Jain Vk Ohri 2018 Book of Class 11 Commerce Economics Chapter 1 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Tr Jain Vk Ohri 2018 Solutions. All Tr Jain Vk Ohri 2018 Solutions for class Class 11 Commerce Economics are prepared by experts and are 100% accurate.

#### Question 1:

Get data from your school office on the total fee charged for admission to Class XI, between the period 2010-2017. Plot the data on graph paper. Read the arithmetic line graph carefully and write your observation.

 Year 2010 − 11 2011 − 12 2012 − 13 2013− 14 2014− 15 2015 − 16 2016 −17 Fees 10000 10500 13000 12000 14000 14500 15250

Observation: From the above graph, we can observe that the school has increased the fee charged for admission to class XI, from the academic year 2010-11 till 2012-13. However, in the year 2013-14 the school decreased the fee amount from Rs 13,000 to Rs 12,000 after which the school fee was again increased from the year 2014-15 till 2016-17.

#### Question 1:

Find out the data from your father about monthly family expenditure during the year 2017. Get similar information from your trustworthy close friend. Make an arithmetic line graph. Write your observations on the quality of life of the two families.

The following table show the monthly expenditure of our family and that of my close friend Sachin's family.

 Month Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Expenditure of our family 20,000 21,000 26,000 23,000 23,500 24,000 21,000 22,000 22,700 26,000 27,000 28,000 Expenditure of Sachin's Family 35,000 38,000 38,900 37,000 40,000 36,000 35,500 37,900 34,500 37,600 40,000 39,800

Observation:
Sachin's family expenditure is more than our's therefore their standard of living is better than us.

#### Question 1:

Plot the anuual profits of a firm on a time series graph:

 Year 2012 2013 2014 2015 2016 2017 Profit ('000 ₹) 60 72 75 65 80 95

Annual Profits of a Firm

#### Question 2:

Plot the following hypothetical figures on a time series graph:

 Year Imports (₹ thousand crore) Exports (₹ thousand crore) 2012-13 2013-14 2014-15 2015-16 2016-17 123 178 215 231 245 106 140 159 203 209

#### Question 3:

The following are the figures of sales of two firms A and B for the years 2010-2017. Present the data graphically.

 Year Sales of Firm A (in thousand units) Sales of FIrm B (in thousand units) 2010 2011 2012 2013 2014 2015 2016 2017 15 17 20 19 25 28 29 27 4 9 11 12 8 10 13 12

Sales of Firm A and Firm B

#### Question 4:

The following are the sales figures of TVs of Firm A, during 2012-2017:

 Year 2012 2013 2014 2015 2016 2017 Sale (in thousand units) 2,155 2,201 2,250 2,190 2,095 2,170
Plot the data on time series graph.