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There are four unknown numbers. The mean...

There are four unknown numbers. The mean of the first two numbers is 4 and the mean of the first three is 9. The mean of all four numbers is 15, if one of the four numbers is 2 find the other numbers.

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. AFLATOUN social and financial educational programme initiated savings ...

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  2. The mean (average) weight of three students is 40 kg. One of the stude...

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  3. There are four unknown numbers. The mean of the first two numbers is 4...

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  4. Name three measures of central tendency.

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  5. What is a measure of central tendency?

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  6. Define mean.

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  7. Rain fall of a place in the week is 4 cm, 5 cm, 12cm, 3cm, 6cm, 8cm, 0...

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  8. If the mean of 17, 10, 12, p and 13 is 14, find the value of P.

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  9. Define median

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  10. Find the median values 30, 13, 19, 25, 21, 9 and 35.

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  11. Find the median of the values 20, 6, 15, 8, 14, 12.

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  12. Define mode.

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

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

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

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

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

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

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

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  20. Explain inclusive classes and exclusive classes.

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