Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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C++ CODE ONLY:
Write a program that takes as input five numbers and outputs the mean (average) and
standard deviation of the numbers. If the numbers are X₁, X2, X3, X4, and x5, then the mean is
X = (X1 + X2 + X3 + x4 + x5 ) / 5 and the standard deviation is:
(x₁−x)²+ (x₂-x)²+ (x¸¯x)²+(x¸−x)²+(x¸¯x)²
S =
5
Your program must contain at least the following functions:
1. a function that calculates and returns the mean; and,
2. a function that calculates the print standard deviation.
Input
1.5 integers
Output
Enter five numbers: 2 3 9 10 11
The mean is 7.00.
The standard deviation is 3.742.
Enter five numbers: 7 7 8 9 11
The mean is 8.40.
The standard deviation is 1.497.
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Transcribed Image Text:C++ CODE ONLY: Write a program that takes as input five numbers and outputs the mean (average) and standard deviation of the numbers. If the numbers are X₁, X2, X3, X4, and x5, then the mean is X = (X1 + X2 + X3 + x4 + x5 ) / 5 and the standard deviation is: (x₁−x)²+ (x₂-x)²+ (x¸¯x)²+(x¸−x)²+(x¸¯x)² S = 5 Your program must contain at least the following functions: 1. a function that calculates and returns the mean; and, 2. a function that calculates the print standard deviation. Input 1.5 integers Output Enter five numbers: 2 3 9 10 11 The mean is 7.00. The standard deviation is 3.742. Enter five numbers: 7 7 8 9 11 The mean is 8.40. The standard deviation is 1.497.
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