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Thirty children were asked about the num...

Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows: 1 6 2 3 5 12 5 8 4 8 10 3 4 12 2 8 15 1 17 6 3 2 8 5 9 6 8 7 14 12 (i) Make a grouped frequency distribution t

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The distance (in km) of 40 engineers from their residence to their place of work were found as follows: "5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 7 6 12" Construct a grouped frequency dist

Calculate the mean for the following distribution: x : 5 6 7 8 9 f : 4 8 14 11 3

Obtain the median for the following frequency distribution: x : 1 2 3 4 5 6 7 8 9 f : 8 10 11 16 20 25 15 9 6

Find mean deviation about the mean for the following data : x_i 2 5 6 8 10 12 f_i 2 8 10 7 8 5

Calculate the mean for the following distribution: 5 6 7 8 9 4 8 14 11 3

Find the missing frequency for the following distribution whose mean is 7.68 3 5 7 9 11 13 6 8 15 8 4

Calculate the mean deviation from the median of the following frequency distribution:5 7 9 11 13 15 17 2 4 6 8 10 12 8

Three numbers are in the ratio 1:2:3 and their HCF is 6, the numbers are (a) 4, 8, 12 (b) 5, 10, 15 (c) 6, 12, 18 (d) 10, 20, 30

Calculate the value of mode for the following frequency distribution: Class: 1-4 5-8 9-12 13-16 17-20 21-24 25-28 29-32 33-26 37-40 Frequency: 2 5 8 9 12 14 14 15 11 13

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RD SHARMA ENGLISH-TABULAR REPRESENTATION OF STATISTICAL DATA -All Questions
  1. The blood groups of 30 students of Class VIII are recorded as follo...

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  2. Three coins were tossed 30 times simultaneously. Each time the numb...

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  3. Thirty children were asked about the number of hours they watched T...

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  4. The distances (in km) covered by 24 cars in 2 hours are given below:...

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  5. The marks obtained by 35 students in an examination are given below:...

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  6. The following table gives the marks scored by 378 students in an ent...

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  7. A cumulative frequency distribution is given below. Convert this in...

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  8. Find the unknown entries a,b,c,d,e and f in the following distribution...

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  9. Cumulative Frequency Distribution

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  10. Explain the difference between a frequency distribution and a cumul...

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  11. The marks scored by 55 students in a test are given below: Marks   ...

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  12. The water bills (in rupees) of 32 houses in a certain street for the...

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  13. The number of books in different shelves of a library are as follow...

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  14. Given below are the cumulative frequencies showing the weights of 68...

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  15. The following cumulative frequency distribution table shows the dail...

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  16. Given below is a cumulative frequency distribution table showing th...

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  17. Tally marks are used to find (a) class interval           (b)  range...

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  18. The difference between the highest and lowest values of the observat...

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  19. The difference between the upper and the lower class limits is calle...

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  20. Define mean.

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