Home
Class 10
MATHS
During a medical check-up the number of ...

During a medical check-up the number of heartbeates per minute of 30 patients were recorded and summarised as follows ,

Find the mean hearthbeats per minute for these patients choosing a suitable mehtod.

Text Solution

Verified by Experts

The correct Answer is:
75.9
Promotional Banner

Topper's Solved these Questions

  • MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE

    RS AGGARWAL|Exercise EXERCISE 18 B|14 Videos

  • MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE

    RS AGGARWAL|Exercise EXERCISE 18 C|10 Videos

  • MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE

    RS AGGARWAL|Exercise Exercise 18A|2 Videos

  • LINEAR EQUATIONS IN TWO VARIABLES

    RS AGGARWAL|Exercise QUESTION|2 Videos

  • PERIMETER AND AREA OF PLANE FIGURES

    RS AGGARWAL|Exercise TEST YOURSELF (SHORT -ANSWER QUESTIONS)|1 Videos

Similar Questions

Explore conceptually related problems

Thirty women were examined in a hospital by a doctor and the number of heart beats per minute were recorded and summarised as follows.Find the mean heart beats per minute for these women,choosing a suitable method.

Thirty women were examined in a hospital by a doctor and the number of heart beats per minute recorded and summarised as follows. Find the mean heart beats per minute for these women, choosing a suitable method. No. of heat 65-68 68-71 71-74 74-77 77-80 80-83 83-86 beats (per min.) No. of women: 2 4 3 8 7 4 2

Thirty women were examined in a hospital by a doctor and the number of heat beats per minute were recorded and summarised as follows: Find number of women have heart bean lessthan 80 and more than 71

What will be the number of heartbeats per minute, if the stroke volume of heart increases, with total volume of heart increases, with total volume of blood remains same?

During the medical check-up of 35 students of a class,their weights were recorded as follows: Draw a less than type ogive for the given data.Hence obtain the median weight from the graph and verify the result by using the formula.

Five coins were simultaneously tossed 1000 times and at each toss the number of heads were observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss. No. of heads per toss No. of tosses 0 38 1 144 2 342 3 287 4 164 5 25 Total 1000

Five coins were simultaneously tossed 1000 xx and at each toss the number of heads were observed.The number of tosses during which 0,1,2,3,4 and 5 heads were obtained are shown in the table below.Find the mean number of heads per toss.No.of heads per toss,No.of tosses 012345,381443228716425 Total,1000

Five coins were simultaneously tossed 1000 times, and at each toss the number of heads was observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss No. of heads per toss (x) : 0 1 2 3 4 5 No. of tosses (f) : 38 144 342 287 164 25

RS AGGARWAL-MEAN,MEDAN,MODE OF GROUPED,DATA CUMULATIVE FREQUENCY GRAPH AND OGIVE -EXERCISE 18 A
  1. If the mean of the following frequency distribution is 24, find the va...

    Text Solution

    |

  2. The following distrubution shows the daily pocket allowance or childer...

    Text Solution

    |

  3. If the mean of the following frequency distribution is 54, find the va...

    Text Solution

    |

  4. The mean of the following data is 42 Find the missing frequencies x an...

    Text Solution

    |

  5. The daily expenditure of 100 families are given below. Calculate f1 an...

    Text Solution

    |

  6. The mean of the following frequency distrubution is 57.6 and the total...

    Text Solution

    |

  7. During a medical check-up the number of heartbeates per minute of 30 p...

    Text Solution

    |

  8. Find the mean of the following frequency distribution , using the assu...

    Text Solution

    |

  9. Find the mean of the following frequency distribution , using the assu...

    Text Solution

    |

  10. Find the mean of the following data, using the assumed- mean method :

    Text Solution

    |

  11. The following table gives the literacy rate (in percentage ) in 40 cit...

    Text Solution

    |

  12. Find the mean of the following frequency distdribution using step- dev...

    Text Solution

    |

  13. Find the mean of following data, using step-deviation method :

    Text Solution

    |

  14. The weights of tea is 70 packets are shwon in the following tagble : ...

    Text Solution

    |

  15. Find the mean of the following frequency distribution using a suitable...

    Text Solution

    |

  16. In an annual examination marks (out of 90) obtained by students of Cla...

    Text Solution

    |

  17. Find the arithmetic mean of the following frequency distribution using...

    Text Solution

    |

  18. Find the mean of the following data using step-devition method :

    Text Solution

    |

  19. Find the avg age from the following frequency distribution :

    Text Solution

    |

  20. The following table shows the age distribution of paitents of malaria ...

    Text Solution

    |