Question
Download Solution PDFWhat is the standard deviation of the observations
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Standard deviation:
The standard deviation of the observation set
Where
Calculations:
First, we will calculate the mean of the given observations.
Therefore, the numerator inside the square root term of the standard deviation formula will simply be equal to
Now we observe that
Therefore, the standard deviation is given as follows:
Therefore, the standard deviation of the given observations is 2.
Last updated on May 30, 2025
->UPSC has released UPSC NDA 2 Notification on 28th May 2025 announcing the NDA 2 vacancies.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced for cycle 2. The written examination will be held on 14th September 2025.
-> Earlier, the UPSC NDA 1 Exam Result has been released on the official website.
-> The selection process for the NDA exam includes a Written Exam and SSB Interview.
-> Candidates who get successful selection under UPSC NDA will get a salary range between Rs. 15,600 to Rs. 39,100.
-> Candidates must go through the NDA previous year question paper. Attempting the NDA mock test is also essential.