Home
Class 10
MATHS
In the formula bar(x)=a+h(sumf(i)u(i))/(...

In the formula `bar(x)=a+h(sumf_(i)u_(i))/(sumf_(i))`
for finding the mean of grouped frequency distribution `u_(i)` is equal to

A

`(x_(i)+A)/(g)`

B

`(x_(i)-A)`

C

`(x_(i)-A)/(g)`

D

`(A-x_(i))/(g)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    TARGET PUBLICATION|Exercise Practise Set 6.6|6 Videos

  • SIMILARITY

    TARGET PUBLICATION|Exercise Chapter Assessment|19 Videos

  • TRIGONOMETRY

    TARGET PUBLICATION|Exercise Chapter Assessment|18 Videos

Similar Questions

Explore conceptually related problems

In the formula barx=a+((sumf_iu_i)/(sumf_i))xx h, u_i=

In the formula bar(x)=a+(sumf_(i)d_(i))/(sumf_(i)) for finding the mean of grouped data d_(i) 'S and deviation from a of

Write the formula for finding mean from grouped frequency distribution.

Choose the correct answer from the given four options: In the formula x=a+(sumx_(1)d_(i))/(sumf_(i)) for finding the mean of grouped data d_(i) 's are the deviations from a of

Find the mean (bar(X)) if sumf_(i)x_(i)=75andsumf_(i)=15 .

In Calculating the mean of grouped data, grouped in classes of equal width, we may use the formula bar(x)=a+(sumf_(i)d_(i))/(sumf_(i)) Where, a is the assumed mean, a must be one of the mid point of the classes. Is the last statement correct? Justify your answer.

Find bar(u)" if sumf_(i)u_(i)=66andsumf_(i)=100.

If sum f_(i) = 15 , sumf_(i) x_(i) = 3p + 36 and the mean of the distribution is 3 , then find the value of p .

If sumf_(i)u_(i)=36 , sumf_(i)=100 , A=40 and h=3 , then barX=?

TARGET PUBLICATION-STATISTICS-Problem Set-6
  1. Different expenditures incurred on the construction of a building were...

    Text Solution

    |

  2. Cumulative frequencies in a grouped frequency table are useful to find...

    Text Solution

    |

  3. In the formula bar(x)=a+h(sumf(i)u(i))/(sumf(i)) for finding the mea...

    Text Solution

    |

  4. The median of the distances covered per litre shown in the above data ...

    Text Solution

    |

  5. The above data is to be shown by a frequency polygon. The coordinates ...

    Text Solution

    |

  6. The following table shows the income of formers in a grape season. Fin...

    Text Solution

    |

  7. The loans sanctioned by a bank for construction of farm ponds are show...

    Text Solution

    |

  8. The weekly wages of 120 workers in a factory are shown in the followin...

    Text Solution

    |

  9. The following frequency distribution table shows the amount of aid giv...

    Text Solution

    |

  10. The distances covered by 250 public transport buses in a day is shown ...

    Text Solution

    |

  11. The prices of different articles and demand for them is shown in the f...

    Text Solution

    |

  12. The following frequency table shows the demand for a sweet and the num...

    Text Solution

    |

  13. Draw a historgram for the following frequency distribution

    Text Solution

    |

  14. The time required for some students to complete a science experiment a...

    Text Solution

    |

  15. Draw a frequency polygon for the following grouped frequency distrbuti...

    Text Solution

    |

  16. Observe the given pie diagram. It shows the percentages of number of v...

    Text Solution

    |

  17. The following table shows causes of noise pollution. Show it by a pie ...

    Text Solution

    |

  18. A survey of students was made to know which game they like. The data o...

    Text Solution

    |

  19. Medical check up of 180 woman was conducted in a health centre in a vi...

    Text Solution

    |

  20. On an envirnoment day, students in a school planted 120 trees under pl...

    Text Solution

    |