Problem 45779. Variance computation (★★★)

• Created by Anirban Pal

×

Like (1)

Difficulty:

(13)

Rate

• Solve Later   
• Add To GroupÂ

Given a vector x with several values, compute the variance, whose formula is given by:

where x1, x2, ...., xn are the n elements of the vector x, and μ is the average of the vector x.

For example, if

x = [-1, 3, 5, -4, 10, 12]

Then μ=4.16667 the variance is 38.16667. The following commands are forbidden: std, var, mean, for, while.

Solve

Solution Stats

30.3% Correct | 69.7% Incorrect

• 132 Solutions
• 34 Solvers

Last Solution submitted on Jan 18, 2025

Last 200 Solutions

Solution Comments

ANNOUNCEMENT ×

Who Deserves Your Praise? Discover the New Contribution Widget!

We are excited to announce another update to our Discussions area: the...

Problem Recent Solvers34

Suggested Problems

• Column Removal

  26007 Solvers

• All your base are belong to us

  550 Solvers

• Getting logical indexes

  1122 Solvers

• Volume and area of a sphere

  522 Solvers

• What is Sum Of all elements of Matrix

  419 Solvers

More from this Author52

• Vector creation using colon operator

  38 Solvers

• Logarithmically spaced vector creation using logspace

  28 Solvers

• How to locate the position of an element in a vector without using the find function

  40 Solvers

• Create a vector of n alternating ones and minus ones (★★)

  59 Solvers

• Sum of terms in a series 1 (★★★)

  52 Solvers