Problem 45785. Variance computation (★)

• Created by Anirban Pal

×

Like (0)

Difficulty:

(55)

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.

Solve

Solution Stats

75.0% Correct | 25.0% Incorrect

• 100 Solutions
• 73 Solvers

Last Solution submitted on Dec 31, 2024

Last 200 Solutions

Solution Comments

ANNOUNCEMENT ×

Registration Now Open for MathWorks AUTOMOTIVE CONFERENCE 2025

Hello Community, We're excited to announce that registration is now open for the...

Problem Recent Solvers73

Suggested Problems

• Back to basics 21 - Matrix replicating

  1647 Solvers

• Length of the hypotenuse

  14660 Solvers

• Replacing a row

  372 Solvers

• Find the sides of an isosceles triangle when given its area and height from its base to apex

  1984 Solvers

• Multiply pi

  194 Solvers

More from this Author52

• Make a checkerboard matrix (★★★★★)

  86 Solvers

• Sum of terms in a series 2 (★★★)

  36 Solvers

• Column Removal (★★★)

  241 Solvers

• Generate n equally spaced "intervals" between -x and x (★)

  112 Solvers

• Sum of elements of a vector (★★★)

  84 Solvers