Home
Class 7
MATHS
If the mean of observations  is  ...

If the mean of observations  is  then 43                                  (b) 42 44                                  (d) 45

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • DATA HANDLING 1

    RD SHARMA ENGLISH|Exercise All Questions|15 Videos

  • DATA HANDLING 3

    RD SHARMA ENGLISH|Exercise All Questions|15 Videos

Similar Questions

Explore conceptually related problems

If the mean of observations and is then 10 (b) 15 12 (d) 13

If the mean of and is 11. The median of the observations is 4 (b) 10 13 (d) 5

Find the mean of 43, 51, 50, 57 and 54.

If the sum of 10 observations is 95, then their mean is (a) 9.5 (b) 10 (c) 950 (d) 95

The mean of 5 observations 1,2,6,x and y is 4.4 and their variance is 8.24 , then x+y is

If the coefficient of variation of 45% and the mean is 12 then find its s.d ?

The mean of and is Then the median is 19 (b) 43 30 (d) None of these

If the mean of observations is 12 and the sum of the observations is 132, then the value of number of terms is (a) 9 (b) 10 (c)11 (d) 12

If the mean of five observations x ,\ x+2,\ x+4,\ x+6,\ x+8\ i s\ 11 , then the mean of first three observations is 9 (b) 11 (c) 13 (d) none of these

In human being ,45 chromosomes (44+ XO) cause:

RD SHARMA ENGLISH-DATA HANDLING 2-All Questions
  1. The following table shows the weights of 12 persons. Weight (in kg)...

    Text Solution

    |

  2. If the mean of observations and  is  then 10              ...

    Text Solution

    |

  3. If the mean of observations  is  then 43                    ...

    Text Solution

    |

  4. Find the mean of first five natural numbers.

    Text Solution

    |

  5. The mean of first five prime numbers is (a) 5.6                    ...

    Text Solution

    |

  6. The mean of first seven even natural numbers is (a) 7              ...

    Text Solution

    |

  7. The mean of first six multiples of 5 is (a) 3.5                    ...

    Text Solution

    |

  8. The mean of 5 numbers is 4. If 1 is added to each number , then the ...

    Text Solution

    |

  9. If the sum of 10 observations is 95, then their mean is

    Text Solution

    |

  10. If the mean of  observations is 12 and the sum of the observations...

    Text Solution

    |

  11. The median of the data  is 10                                (b) 11 ...

    Text Solution

    |

  12. The median of the data  is 7                                  (b) 9 ...

    Text Solution

    |

  13. The mean of a data is 15 and the sum of the observations is 195. The n...

    Text Solution

    |

  14. The median of 11 observations is 10. The number of possible observa...

    Text Solution

    |

  15. If the mode of 22 ,\ 21 ,\ 23 ,\ 24 ,\ 21 ,\ 20 ,\ 23 ,\ 26 ,\ x and 2...

    Text Solution

    |

  16. If the mean of  and 7 is 7, then 6                            ...

    Text Solution

    |

  17. The mean of is same as the mean of Then which of the followi...

    Text Solution

    |

  18. The mean of  and  is  Then the median is 19                  ...

    Text Solution

    |

  19. If the mean of 9, 10, 15, x, 6, 8 and 12 is 11 and is 11. The median o...

    Text Solution

    |

  20. The mode of the unimodular data  and  is 10. The value of ...

    Text Solution

    |