MyMathClass Solved

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Description

Write a generic class MyMathClass with at type parameter T where T is a numeric object Â (Integer, Double or any class that extends java.lang.number)
Add a method standardDeviation (stdev) that takes an ArrayList of type T and returns a standard deviation Â as type double.
Use a for each loop where appropriate.

Hard code a couple of test arrays into your Demo file.
You must use at least 2 different types such as Double and Integer.

Your call will be something like:

System.out.println(â€œStandard Deviation 0-9 â€œ + MyMathClass.stdev(a));

public class MyMathClass<T extends Number {
public static <T extends Number double stdev(ArrayList<T a){

Research javaâ€™s Number class to see what useful method we are gaining access to.

Research:
Need to better understand Standard Deviation
Used: https://www.mathsisfun.com/data/standard-deviation-formulas.html
Realized the assignment is based on SAMPLE Standard Deviation rather than POPULATION Standard Deviation.

Square a number with Math.pow
https://www.tutorialspoint.com/java/lang/math_pow.htm

Square Root with Math.sqrt
https://www.tutorialspoint.com/java/lang/math_sqrt.htm

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Pseudocode:
MyMathClass.java
MMCDemo.java

Construct formulas based on MathisFun Sample Deviation Website

Test against Ken Moore code to validate

• MymathClass.zip