Web9 mrt. 2024 · The sum of the first n natural number is given by the formula: ∑ 1 n = [ n ( n + 1) 2]. where n is the natural number. The sum of first n natural numbers as read above can be defined with the help of arithmetic progression. Web29 mrt. 2024 · Hence in both the cases we will first find the mean of data. We know that the sum of first n natural numbers is given by $\dfrac{n\left( n+1 \right)}{2}$ . Using this we will find the mean of data. Now we will substitute the …
Calculate the mean of first n natural numbers - BYJU
Webstep 1 Address the formula and input values. Input values: The first 200 numbers 1, 2, 3, . . . . , 199, 200 step 2 Find the sum of first 200 natural numbers 1 + 2 + 3 + . . . . + 199 + 200 = 20100 step 3 Divide the sum by 200 20100/200 = 100.5 100.5 is an average of first 200 natural numbers or positive integers. WebSolution:- First 15 natural numbers are 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15 Now mean of the numbers = sum of the numbers/total number of numbers (1 + 2+ 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15)/15 = 120/15 Mean = 8 So, the mean of first natural numbers is 8. Answer. so edit that last line medwarenew lhafrica
Find the mean and variance for the first n natural numbers
WebTo find the sum of 'n' natural numbers, we use the formula: Sum= n(n + 1)/2, where 'n' represents the number of terms. For example, if we want to find the sum of the first six … WebThe mean of first n natural numbers is 95n. Find n. A 5 B 4 C 9 D None of these Easy Solution Verified by Toppr Correct option is C) Since, Mean of n natural numbers is 95n ∴ Mean = n1+2+3+....+n ⇒ 95n= n[ 2n(n+1)] [ ∵ 1+2+3+....+n = 2n(n+1)] ⇒ 95n= 2nn(n+1) ⇒ 95n= 2(n+1) ⇒10n=9n+9 ⇒n=9 ∴ Option C is correct. Was this answer helpful? 0 0 WebStatement 2: The sum of first n odd natural number is n2 and the sum of square. Statement 1: The variance of first n odd natural numbers is (n2 - 1/3). Statement 2: The sum of first n odd natural number is n2 and the sum of square. Tardigrade - CET NEET JEE Exam App. ... (n + 1) < b r / > Mean (x) = n n ... medware inc