2. Find the mean and variance for each of the data.
First n natural numbers.
Mean () of first n natural numbers:
We know, Variance
We know that
Hence, Mean = and Variance =
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
CBSE Class 12 accountancy board exam analysis 2024 out; paper rated easy, balanced
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now