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Create StandardDeviation.ktm #161

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Create StandardDeviation.ktm #161

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fbada11
Create StandardDeviation.Kotlin
TechSajal Oct 28, 2020
ec1a40a
Rename StandardDeviation.Kotlin to StandardDeviation.Kt
TechSajal Oct 30, 2020
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23 changes: 23 additions & 0 deletions StandardDeviation.Kt
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Original file line number Diff line number Diff line change
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fun main(args: Array<String>) {
val numArray = doubleArrayOf(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0)
val SD = calculateSD(numArray)

System.out.format("Standard Deviation = %.6f", SD)
}

fun calculateSD(numArray: DoubleArray): Double {
var sum = 0.0
var standardDeviation = 0.0

for (num in numArray) {
sum += num
}

val mean = sum / 10

for (num in numArray) {
standardDeviation += Math.pow(num - mean, 2.0)
}

return Math.sqrt(standardDeviation / 10)
}