Statistics for Economics Class 11 NCERT Solutions Chapter 8 Index Numbers Question 1. An index number which accounts for the relative importance of the items is known as (i) weighted index (ii) simple aggregative index (iii) simple average of relatives Answer: (i) An index number becomes a weighted index when the relative importance of items…
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Statistics for Economics Class 11 NCERT Solutions Chapter 7 Correlation Question 1. The unit of correlation coefficient between height in feet and weight in kgs is (a) kg/feet (b) percentage (c) non-existent Answer: (c) Correlation coefficient (r) has no unit. It is a pure number. It meansss units of measurement are not part of r.…
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Statistics for Economics Class 11 NCERT Solutions Chapter 6 Measures of Dispersion Question 1. A measure of dispersion is a good supplement to the central value in understanding a frequency distribution. Comment. Answer: Dispersion is the extent to which values in a distribution differ from the avarage of the distribution. Knowledge of only average is…
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Statistics for Economics Class 11 NCERT Solutions Chapter 5 Measures of Central Tendency Question 1. Which average would be suitable in the following cases? (i) Average size of readymade garments. (ii) Average intelligence of students in a class. (iii) Average production in a factory per shift. (iv) Average wages in an industrial concern. (v) When…
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Statistics for Economics Class 11 NCERT Solutions Chapter 4 Presentation of Data Answer: the following questions, 1 to 10, choosing the correct answer. Question 1. Bar diagram is a (a) one-dimensional diagram (b) two-dimensional diagram (c) diagram with no dimension (d) None of these Answer: (a) Bar diagrams are one-dimensional diagrams. Though these are represented…
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Statistics for Economics Class 11 NCERT Solutions Chapter 3 Organisation of Data Question 1. Which of the following alternatives is true? (i) The class mid-point is equal to (a) the average of the upper class limit and the lower class limit (b) the product of upper class limit and the lower class limit (c) the…
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Statistics for Economics Class 11 NCERT Solutions Chapter 2 Collection of Data Question 1. Frame at least four appropriate multiple choice options for following questions (i) Which of the following is the most important when you buy a new dress? (ii) How often do you use computers? (iii) Which of the newspapers do you read…
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Statistics for Economics Class 11 NCERT Solutions Chapter 1 Introduction Question 1. Mark the following statements as true or false. (i) Statistics can only deal with quantitative data. (ii) Statistics solves economic problems. (iii) Statistics is of no use to Economics without data. Answer: (i) False Statistics deals with both quantitative data as well as…
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Comparative Development Experience of India with its Neighbours NCERT Solutions for Class 11 Indian Economic Development NCERT TEXTUAL QUESTIONS WITH ANSWERS Question 1. Mention some examples of regional and economic groupings. Answer. Every country aims to strengthen its own domestic territory. The nations are forming regional and global economic groupings such as: SAARC. It…
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Environment Sustainable Development NCERT Solutions for Class 11 Indian Economic Development NCERT TEXTUAL QUESTIONS WITH ANSWERS Question 1. What is meant by environment? Answer. Environment is defined as the total planetary inheritance and the totality of all resources. It includes all the biotic and abiotic factors that influence each other. Biotic elements are all…
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