Question
Download Solution PDFFind the mean deviation for the given data is p, 6, 6, 7, 8, 11, 15, 16, if value of mean of the data is 3 times of the ‘p’.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Mean Deviation for ungrouped data:
For ‘n’ observation x1, x2………….. xn, the mean deviation about their mean
CALCULATIONS:
Given data of numbers are p, 6, 6, 7, 8, 11, 15, and 16.
Mean
⇒ p + 69 = 24p
⇒ 23p = 69
∴ p = 3
So given data is 3, 6, 6, 7, 8, 11, 15, 16 and mean is 3p, i.e. 9.
∴ Mean deviation
Mean deviation
Last updated on Jul 8, 2025
->UPSC NDA Application Correction Window is open from 7th July to 9th July 2025.
->UPSC had extended the UPSC NDA 2 Registration Date till 20th June 2025.
-> A total of 406 vacancies have been announced for NDA 2 Exam 2025.
->The NDA exam date 2025 has been announced. The written examination will be held on 14th September 2025.
-> 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.