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A report from Texas Transportation Institute (Texas A&M University System, 2005) on congestion reduction strategies looked into the extra travel time (due to traffic congestion) for commute travel per traveler per year in hours for different urban areas. Below are the data for urban areas that had a population of over 3 million for the year 2002.
a. Compute the mean and median values for extra travel hours. Based on the values of the mean and median, is the distribution of extra travel hours likely to be approximately symmetric, positively skewed, or negatively skewed?
b. Construct a boxplot that shows outliers for these data and comment on any interesting features of the plot.
Explain the difference between an analog signal and a digital signal. Explain why most modern communications systems use digital signals.
You have been asked to develop an access control policy for LMJ-Star Services (LSS) based on your understanding of the sensitivity of financial data and health care data.
A common problem during communication occurs when you encounter two stakeholders who have conflicting ideas about what the software should be. That is, you have mutually conflicting requirements. How can you address this problem?
Assume that a given BST stores integer values in its nodes. Write a recursive function that sums the values of all nodes in the tree.
Compare the performance of shell sort implementations that use respectively the sequence of decrements n/2, n/4, n/8, ..., 1 and 2P-1, ..., 31, 15, 7, 3, 1. Use random data sets and use the number of comparisons and moves as a measure.
What is a system modification, and what requirements are affected when a modification is made?
Review your initial post from this week's discussion activity on computer ethics. Use Microsoft PowerPoint to create a presentation.
1. Suppose we call rotateWithLeftChild on an arbitrary 2-d tree. Explain in detail all the reasons that the result is no longer a usable 2-d tree. 2. Implement the insertion and range search for the k-d tree. Do not use recursion.
In a certain chemical-processing plant, a liquid chemical is used in a manufacturing process.
Manufacturing A cereal manufacturer makes two different kinds of cereal, Senior Citizen's Feast and Kids Go. Each pound of Senior Citizen's Feast requires.
Write a program that computes and displays the result of rolling several 6-sided dice and adding a number. Prompt the user for the number of dice and the number to add. Display values read from the user as shown below: "xD6+y is z.", where x is th..
A typical HF radioteletype system uses 170 Hz shift between mark and space frequencies and a bit rate of 45 bits per second. What would be the bit rate if GMSK were used for this system?
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