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# Answer to Question #77114 in C++ for Hlovisani Silubane

Question #77114
Four experiments are performed, each consisting of five test results. The results for each experiment are given in the following list. Write a program using a nested loop to compute and display the average of the test results for each experiment. Display the average with a precision of two digits after the decimal point.
1st experiment results: 23.2 31 16.9 27 25.4
2nd experiment results: 34.8 45.2 27.9 36.8 33.4
3rd experiment results: 19.4 16.8 10.2 20.8 18.9
4th experiment results: 36.9 39 49.2 45.1 42.7
Use the input provided in the given list and execute the program.
#include <iostream>
#include <vector>
#include <iomanip>
int main()
{
const int countOfExperiments = 4;
const int countOfResults = 5;
std::vector< float > averageValues(countOfExperiments);
for(int i = 1; i <= countOfExperiments; ++i)
{
std::cout << "Experiment #" << i << std::endl;
for(int j = 1; j <= countOfResults; ++j)
{
float value;
std::cout << "Enter result #" << j << ' ';
std::cin >> value;
averageValues[i - 1] += value;
}
averageValues[i - 1] /= countOfResults;
}
for(int i = 0; i < countOfExperiments; ++i)
{
std::cout << "Average value for experiment #" << i + 1 << " - " << std::fixed <<
std::setprecision(2) << averageValues[i] << std::endl;
}
return 0;
}

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