Computers and Technology, 27.11.2019 04:31 JAYDENJONES0111
Before taking the plunge into videoconferencing, a company ran tests of its current internal computer network. the goal of the tests was to measure how rapidly data moved through the network given the current demand on the network. eighty files ranging in size from 20 to 100 megabytes (mb) were transmitted over the network a various times of day, and the time to send the file (in seconds) was recorded.
1. create a scatterplot of transfer time on file size. does a line seem to be a good summary of the association between the variables?
2. estimate the least squares linear equation for predicting transfer time.
3. interpret the fitted slope and intercept. be sure to include their units.
4. what is the value of the standard error? be sure to include the units.
5. plot the residuals from the regression. does this plot show a pattern? if so, what type of pattern?
6. the goal is to get data transferred in no more than 15 seconds. how much of the data do you think can be transferred in this length of time? how did you estimate this?
Answers: 1
Computers and Technology, 21.06.2019 21:00
Select all that apply. what types of documents can be created using word-processing software? business newsletters letters of application presentation slideshows customer databases
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Computers and Technology, 22.06.2019 18:40
Mariah was working on a multimedia presentation that included both video and audio files. the file was huge, and she wanted to send it to her coworker in another office. she needed to reduce the size of the file so that it could be transmitted faster. the utility she used to do this was
Answers: 2
Computers and Technology, 22.06.2019 22:00
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.
Answers: 1
Computers and Technology, 23.06.2019 06:00
What makes myhexadecimalnumber a child of mynumber? which methods does myhexadecimalnumber inherit directly from the mynumber class? what can an instance of the mynumber class do? what can an instance of the myhexadecimalnumber class do? which methods are overridden? why are they overridden? how many examples of overloading are there? why was this done? where is the super keyword used? what is it doing? why isn’t the incoming value set immediately in the second myhexadecimalnumber constructor? how many examples can you find of an inherited method being called?
Answers: 1
Before taking the plunge into videoconferencing, a company ran tests of its current internal compute...
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