3 JEE Main 2017 Statistics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2017 previous-year questions from the Statistics chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Statistics chapter hub.
A box contains 15 green and 10 yellow balls. If 10 balls are randomly drawn, one-by-one, with replacement, then the var…
The sum of 100 observations and the sum of their squares are 400   &   2475 , respectively. Later on, thr…
The mean age of 25 teachers in a school is 40 years. A teacher retires at the age of 60 years and a new teacher is appo…