Question
The mean of 36 numbers was found as 42. Later on, it was
determined that a number 47 was misread as 41. Find the correct mean of the given numbers (rounded off to two places of decimal).Solution
ATQ, The original sum of the numbers was 42Ă—36 =1512. The number 47 was misread as 41, so the sum is 6 less than it should be. To correct it, add 6 to the sum: 1512+6 = 1518. Divide the corrected sum by 36 to find the new mean: 1518Ă·36 = 42.17. So, the correct mean is 42.17.
When was the Ujjwala Yojana launched, and which ministry oversees it?
Which of the he following statements is/are correct about Intelligent Grievance Monitoring System (IGMS) 2.0:
1. It is a public grievance porta...
What is the theme of International Olympic Day observed on June 23, 2024?
When is National Sports Day celebrated every year in India?
Which sportswear brand has secured a new kit sponsorship deal with the Indian national cricket team?
Which of the following leaf modifications occur (s) in the desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves<...
Who has launched “Call before u dig” Application ?
Consider the following statements about Panchnama in crime investigations:
1. It is a document that records evidences and findings by an invest...
Where was the 2024 Sultan Azlan Shah Trophy held?
On the basis of 2011 census, arrange the following districts in ascending order on the basis of population:
1. Uttarkashi
2. Bageshwar...
Relevant for Exams:
