bus-stat-book1

Iii answer the following questions 11 what is a

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Unformatted text preview: ass interval is called __________ of that class. III. Answer the following questions: 11. What is a frequency distribution? 12. What is an array? 13. What is discrete and continuous frequency distribution? 65 14. Distinguish between with suitable example. (i) Continuous and discrete frequency (ii) Exclusive and Inclusive class interval (iii) Less than and more than frequency table (iv) Simple and Bivariate frequency table. 15. The following data gives the number of children in 50 families. Construct a discrete frequency table. 4 2 0 2 3 2 2 1 0 3 5 1 1 4 2 1 3 4 6 1 2 2 2 1 3 4 1 1 3 4 1 0 1 2 2 2 2 4 3 0 1 3 6 1 0 16. In a survey, it was found that 64 families bought milk in the following quantities in a particular month. Quantity of milk (in litres) bought by 64 Families in a month. Construct a continuous frequency distribution making classes of 5-9, 10-14 and so on. 19 14 20 10 25 13 8 16 16 23 25 7 34 36 15 23 22 6 28 18 22 11 22 12 9 24 18 28 5 26 21 9 22 16 10 24 33 11 32 15 12 18 24 20 23 37 21 27 39 7 20 14 26 30 31 17 19 17 21 23 29 13 17 21 17. 25 values of two variables X and Y are given below. Form a two-way frequency table showing the relationship between the two. Take class interval of X as 10-20,20-30,… and Y as 100.. 200,200-300,… .. 66 2 2 0 5 1 X Y X Y X Y 12 140 36 315 57 416 24 256 27 440 44 380 33 360 57 390 48 492 22 470 21 590 48 370 44 470 51 250 52 312 37 380 27 550 41 330 29 280 42 360 69 590 55 420 43 570 48 390 52 290 18. The ages of 20 husbands and wives are given below. Form a two-way frequency table on the basis of ages of husbands and wives with the class intervals 20-25,25-30 etc. Age of husband 28 37 42 25 29 47 37 35 23 41 Age of wife 23 30 40 26 25 41 35 25 21 38 Age of husband 27 39 23 33 36 32 22 29 38 48 Age of wife 24 34 20 31 29 35 23 29 34 47 IV .Suggested Activities: From the mark sheets of your class, form the frequency tables, less than and more than cumulative frequency tables. Answers I. 1. (a) 2. (c) 3.(a) 4.(b) 5. (a) II. 6...
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This note was uploaded on 01/18/2014 for the course BUS 100 taught by Professor Moshiri during the Winter '08 term at UC Riverside.

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