17 JEE Main 2024 Statistics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2024 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.
The frequency distribution of the age of students in a class of 40 students is given below. $\begin{array}{|l|c|c|c|c|l…
If the mean of the following probability distribution of a random variable X : $\begin{array}{|c|c|c|c|c|c|} \hline \ma…
From a lot of 10 items, which include 3 defective items, a sample of 5 items is drawn at random. Let the random variabl…
Consider 10 observation x 1 , x 2 , . .. x 10 , such that ∑ i = 1 10 x i − α = 2 and ∑ i = 1 10 x i − β 2 = 40 , where…
If the mean and variance of five observations are 24 5 and 194 25 respectively and the mean of first four observations…
The mean and standard deviation of 15 observations were found to be 12 and 3 respectively. On rechecking it was found t…
Let the median and the mean deviation about the median of 7 observation 170 , 125 , 230 , 190 , 210 , a , b be 170 and…
If the mean and variance of the data 65 , 68 , 58 , 44 , 48 , 45 , 60 , α , β , 60 where α > β are 56 and 66 . 2 respec…
If the variance σ 2 of the data x i 0 1 5 6 10 12 17 f i 3 2 3 2 6 3 3 is k then the value of k is ______ {where . deno…
Let α, β R. Let the mean and the variance of 6 observations -3,4,7,-6, α, β be 2 and 23 , respectively. The mean deviat…
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