Class name Subject Book title Chapter number Content Created at
Class XI Economics Statistics for Economics 2 of the population, is known as Census Census 1901 indicated that the population of the country was 23.83 or the Method of Complete crore. Since the...
Class XI Economics Statistics for Economics 2 to study the Now the question is how do you do average income of people in a certain thesampling?Therearetwomaintypes region. According to the Cens...
Class XI Economics Statistics for Economics 2 number of reasons. A all 300 households of that area are sample can provide reasonably reliable written on paper and mixed, then 30 and accurate in...
Class XI Economics Statistics for Economics 2 They also try to predict the results. the basis of judgment, purpose, This is done through exit polls, convenience or quota and are nonwherein a ra...
Class XI Economics Statistics for Economics 2 a larger sample. sample observation may not be representative. Example Errors in Data Acquisition Consider a case of incomes of 5 farmers of Manipu...
Class XI Economics Statistics for Economics 2 national and state level to collect, Reprint 2026-27 COLLECTION OF DATA 19 process and tabulate the statistical utilisation of educational services...
Class XI Economics Statistics for Economics 2 data collection depends Sarvekshana. NSS provides periodic estimates of literacy, school enrolment,on the objective of the study. Reprint 2026-27 2...
Class XI Economics Statistics for Economics 2 the non-random selection of samples. (v) Non-sampling errors can be minimised by taking large samples. 4. What do you think about the following que...
Class XI Economics Statistics for Economics 3 C H APTER Organisation of Data census and sampling. In this chapter, Studying this chapter should you will know how the data, that you enable you t...
Class XI Economics Statistics for Economics 3 “plastics”, “glass”, book of a different subject in that “metals” etc. — and brings order in group. Otherwise the entire purpose of them. Once his ...
Class XI Economics Statistics for Economics 3 2026-27 24 STATISTICS FOR ECONOMICS them as a table, they may appear Table 3.2 something like Table 3.1. Monthly Household Expenditure (in Rupees) ...
Class XI Economics Statistics for Economics 3 you find that up manifold if the number was larger — say, 5,000 households. Like our kabadiwallah, who would be distressed to find a particular ite...
Class XI Economics Statistics for Economics 3 as a Chronological Classification.Insuchaclassification, of observations on a specific or group of variables. Look at Table 3.1 for dataareclassifi...
Class XI Economics Statistics for Economics 3 be further classified on the basis of (2013) marital status as given below: Country Yield of wheat (kg/hectare) Canada 3594 Example 3 China 5055 Po...
Class XI Economics Statistics for Economics 3 fractions ( 2 =1.414, 60–70 19 3=1.732,…, 7 =2.645).Forexample, 70–80 6 80–90 5 theheightofastudent,ashe/shegrows 90–100 4 say from 90 cm to 150 cm...
Class XI Economics Statistics for Economics 3 D ISTRIBUTIO? 25.5 between 25 and 26. Instead its value could A frequency distribution is a have been either 25 or comprehensive way to classify ra...
Class XI Economics Statistics for Economics 3 the answer yourself. discrete: Each class in a frequency Area, volume, temperature, distribution table is bounded by Class number appearing on a di...
Class XI Economics Statistics for Economics 3 Mark Limit Limit 2. How many classes should we have? 3. What should be the size of each 0–10 1 0 10 5 10–20 8 10 20 15 class? 20–30 6 20 30 25 4. H...
Class XI Economics Statistics for Economics 3 that are equal in magnitude. However, we could have chosen class to lack of information on many values. In all other cases, equal sized class inter...
Class XI Economics Statistics for Economics 3 In the case of continuous variables, intervals “0 to 10” and “20 to 30” respectively. This can be called the case inclusive class intervals are use...
Class XI Economics Statistics for Economics 3 could decide that values such as 10, 30 etc., should be put into the class Total 550 Reprint 2026-27 32 STATISTICS FOR ECONOMICS Adjustment in Clas...
Class XI Economics Statistics for Economics 3 is by two i.e. (1/2 = 0.5) 3, 0 is 1, 10 is 1, 49 is 5 and so on. 3. Subtract the value obtained in (2) But when the data are grouped into classes ...
Class XI Economics Statistics for Economics 3 90–100 90, 100, 90, 90 //// 4 95 Total 100 obtained by a student are 57, we put a raw data making it concise and tally (/) against class 50 –60. If...
Class XI Economics Statistics for Economics 3 values of the observations in that concentrated in classes 40–50, class. This is true for other classes as 50–60 and 60–70. Their respective well.T...
Class XI Economics Statistics for Economics 3 55–60 59, 56, 55, 57, 55, 56, 59, 56, 59, 57, 59, 55, 56, 55, 56, 55 16 57.5 60–65 60, 64, 62, 64, 64, 60, 62, 61, 60, 62, 10 62.5 65–70 66, 69, 66...