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Given that barx=(sumfixi)/(sumfi) .Find ...

Given that `barx=(sumf_ix_i)/(sumf_i)` .Find `sumf_i` if `barx =14` and `sumf_ix_i=420`

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. Define mode.

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  2. Mean barx=A+(sumfidi)/(sumfi) .Find barx if A=29.5 sumfidi= -15 and su...

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  3. Given that barx=(sumfixi)/(sumfi) .Find sumfi if barx =14 and sumfixi...

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  4. Given that barx=(sumfixi)/(sumfi) . Calculate barx if sumfixi=760 and ...

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  5. What happens to "Mean" if 3 is added to each data value ? What about m...

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  6. What will happen to the measures of central tendency if we multiply ea...

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  7. What will happen to the mean, mode and median if each data value is mu...

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  8. Write the mark wise frequencies in the following frequency distributio...

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  9. Explain inclusive classes and exclusive classes.

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  10. Write the class boundaries of the following classes : 25-29, 30-34, 35...

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  11. What is the lower limit of a class ? What is the upper limit of a clas...

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  12. Write the formula for finding mean of ungrouped frequency distribution...

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  13. Find the median marks in the data.

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  14. There are 40 students in a class. Their average mark in English is 55....

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  15. Information collected in the form of facts, numerical figures, tables ...

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  16. Data collected from a source like registers is called

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  17. Range of the data "18, 24, 15, 17, 33, 16, 29, 45, 12, 3, 33, 21" is

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  18. 0- 10, 11- 20, 21 - 30, 31 -40. The real lower limit of the class 21 -...

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  19. In the above problem a5=…

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  20. The temperatures of a city recorded during a week are 42^@ , 35^@ , 44...

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