# 8. In time series, which of the following cannot be predicted? A) large increases in demand B) technological trends C) seasonal fluctuations D) random fluctuations E) large decreases in demand

Explanation: Time series is a series that has all the points of time in a equal time order.So, there is usually organised and having equal gaps sequence. It can be imposed on many data  like real value data, discrete data,continuous data . But there is no space for the space of randomness so, random fluctuations are not predictable in it.Therefore the option (D) is the correct option.

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Write a C program that stores N random numbers in an array named rA[ ] and determine the largest, smallest, and average values of this array. Display the array elements that store these values. The random numbers range from -50 to +50. N is a command line argument.

// program in C.

#include

#include

#include

// main function

int main(int argc, char** argv)

{

// read value of N from command line arguments

int N=atoi(argv[1]);

// variables

int max=INT_MIN;

// variable

int min=INT_MAX;

int rA[N],i;

// fill the array with random number

for(i=0;imax)

max=rA[i];

// find the Minimum

if(rA[i]

Write javadoc comments for each of the 7 static methods you just wrote. They should include: a. A one line summary of what the method does. b. A description of what the program requires to operate and what the result of that operation is.

In general, the Javadoc comments are code documentation that offer brief description of a segment of code (e.g. purpose, required input parameter and output)

A sample Javadoc comments is given below:

/**

* Calculate average of a list of number.

* @param myArray -  a list of floating point numbers

*  @return result -  the calculated average of the list of numbers in the array

*/

public static double getAverage(double myArray[] )

{

// some codes to calculate average

return result

}

The sample format of the Javadoc above can be applied to document various Java program code.

________ was the first high-level programming language designed that could perform complex mathematical calculations.