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The following table gives the marks scor...

The following table gives the marks scored by 378 students in an entrance examination : Marks       0-10  10-20 20-30 30-40 40-50             50-60          60-70 70-80 80-90             90-100 No. of Students  3        12      36      76                 97     85      39      12      12                 6 From this table form (i) less than series, and (ii) the more than series.

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The following table gives the marks scored by 100 students in an entrance examination. Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of Students (Frequency): 4 10 16 22 20 18 8 2 Represent this data in the form of a histogram.

For the following data, draw a histogram and a frequency polygon: Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 900-100 No. of Students 5 10 4 6 7 3 2 2 3 9

Compute mean deviation from mean of the following distribution: Marks 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 No. of students 8 10 15 2 20 18 9 5

Following are the marks obtained by 30 students in a examination Taking class intervals 0-10, 10-20,….. 40-50 construct a frequency table.

The marks in science of 80 students of class X are given below: Find the mode of the marks obtained by the students in science. Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency: 3 5 16 12 13 20 5 4 1 1

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20

The following table shows the marks scored by 140 students in an examination of a certain paper: Marks: 0-10 10-20 20-30 30-40 40-50 No. of students: 20 24 40 36 20 Calculate the average marks by using the assumed mean deviation method.

Write the median class for the following frequency distribution: Class-interval: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Frequency: 5 8 7 12 28 20 10 10

RD SHARMA ENGLISH-TABULAR REPRESENTATION OF STATISTICAL DATA -All Questions
  1. Find the unknown entries (a,b,c,d,e,f,g) from the following frequenc...

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

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

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

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  5. For a frequency distribution standard deviation is computed by applyin...

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  6. Given below are the ages of 25 students of class IX in a school. Pr...

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  7. Form a discrete frequency distribution from the following scores: 1...

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  8. The water tax bills (in rupees) of 30 hours in a locality are given...

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  9. Form a grouped frequency distribution from the following data by in...

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  10. The maximum temperature (in degrees celcius) and relative humidity (in...

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  11. The marks obtained by 40 students of class IX in an examination are...

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  12. The weights in grams of 50 oranges picked at random from a consignm...

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  13. The class marks of a distribution are: 17,52,57,62,67,72,77,82,87,9...

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  14. For the following data of daily wages (in rupees0 received by 30 la...

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  15. The class marks of a distribution are 26,31,36,41,46,51,56,61,66,71...

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  16. What do you understand by the word “statistics” in (i) singular form...

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  17. Describe some fundamental characteristic of statistics.

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  18. Why do we group data?

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  19. Explain the meaning of the following terms: variate         (ii)...

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  20. The ages of ten students of a group are given below: The ages have ...

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