Java Practice It | Exercise 7.6: stdev | arrays, array basics

preview_player
Показать описание
More practice its:

Problem:

Question:
Write a method called stdev that returns the standard deviation of an array of integers. Standard deviation is computed by taking the square root of the sum of the squares of the differences between each element and the mean, divided by one less than the number of elements. (It's just that simple!)

More concisely and mathematically, the standard deviation of an array a is written as follows:

...
  1. Computer Engineering life
  2. java
  3. ifelse
Рекомендации по теме
Java Practice It 0:04:44

Java Practice It | Exercise 5.18: digitSum | if, else, Boolean logic, method basics, return

Java coding exercises 0:05:03

Java coding exercises for beginners - Methods

Java Practice It 0:02:35

Java Practice It | Exercise 4.20: numUnique | if/else, method basics, return

Java Practice It 0:05:27

Java Practice It | Exercise 4.19: quadrant | if/else, method basics, return

Java Practice-it Introduction 0:03:52

Java Practice-it Introduction to Java Programming | Exercise 1.7 Mantra

Java Practice-it Introduction 0:04:45

Java Practice-it Introduction to Java Programming | Exercise 1.11 TwoRockets

Java Practice-it Introduction 0:01:59

Java Practice-it Introduction to Java Programming | Exercise 1.1 Stewie

Loops in Java 0:06:05

Loops in Java (Exercise 1)

Java Practice It 0:03:35

Java Practice It | Exercise 9.1: Marketer | classes, implementing, inheritance, instance methods

Java Practice It 0:01:35

Java Practice It || 3.19 printReverse || method basics, parameters, Strings, .length() / .charAt()

Java Practice-it Introduction 0:02:44

Java Practice-it Introduction to Java Programming | Exercise 1.9 Egg

Java Practice It 0:04:52

Java Practice It | Exercise 5.9: printFactors | fencepost, method basics, mod, for loop, if statment

Java Practice-it Introduction 0:06:20

Java Practice-it Introduction to Java Programming | Exercise 1.14 Lanterns

Exercise 2.15 (printDesign) 0:03:06

Exercise 2.15 (printDesign) Java Tutorial || Practice-It

Java Practice-it Introduction 0:02:35

Java Practice-it Introduction to Java Programming | Exercise 1.5 MuchBetter

Java Practice-it Introduction 0:03:39

Java Practice-it Introduction to Java Programming | Exercise 1.3 WellFormed

Java Practice It 0:18:09

Java Practice It | Exercise 6.16: mostCommonNames | if, else, Boolean logic, method basics, return

Java Practice It 0:03:40

Java Practice It | Exercise 7.2: range | arrays, array basics

Java Practice It 0:07:12

Java Practice It | Exercise 9.10: DiscountBill | classes, implementing, inheritance, instance method

Java Practice It 0:05:51

Java Practice It | Exercise 5.22: allDigitsOdd | if, else, Boolean logic, method basics, return

Java Practice It 0:03:44

Java Practice It | Exercise 7.1: lastIndexOf | arrays, array basics

Java Practice-it Introduction 0:04:07

Java Practice-it Introduction to Java Programming | Exercise 1.8 Stewie2

Java Practice It 0:08:49

Java Practice It || 6.1 boyGirl || file processing, scanner, method, Math.abs, while loop, if else

Exercise 5.2 (gcd) 0:02:28

Exercise 5.2 (gcd) Java Tutorial || Practice-It