Which of the following is not an advantage of object-oriented modeling with several models is that a. developing new models correct previously drawn diagrams b. developing new models allows the analyst to discard unnecessary diagrams. c. developing new models ensures a consistency in the requirements. d. developing new models gain deeper understanding of user requirements.

Given the resulting p-values, would you reject or fail to reject the null hypotheses (assuming a 0.05 significance level)? what does your decision mean in the context of this problem? would you proceed with changing the design of the arrow, or would you keep the original design?

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.