Classify the following attributes as binary, discrete, or continuous. Also classify them as qualitative (nominal or ordinal) or quantitative (interval or ratio). Some cases may have more than one interpretation, so briefly indicate your reasoning if you think there may be some ambiguity. Example: Age in years. Answer: Discrete, quantitative, ratio
What will be an ideal response?
(a) Time in terms of AM or PM. Binary, qualitative, ordinal
(b) Brightness as measured by a light meter. Continuous, quantitative,
ratio
(c) Brightness as measured by people’s judgments. Discrete, qualitative,
ordinal
(d) Angles as measured in degrees between 0? and 360?. Continuous, quan-
titative, ratio
(e) Bronze, Silver, and Gold medals as awarded at the Olympics. Discrete,
qualitative, ordinal
(f) Height above sea level. Continuous, quantitative, interval/ratio (de-
pends on whether sea level is regarded as an arbitrary origin)
(g) Number of patients in a hospital. Discrete, quantitative, ratio
(h) ISBN numbers for books. (Look up the format on the Web.) Discrete,
qualitative, nominal (ISBN numbers do have order information, though)
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What is the result after the following statement executes?
``` char var1 = tolower('A'); ``` a. var1 stores the character value 'A' b. var1 stores the ASCII value for lowercase 'a' c. the character A is output to the monitor d. the character a is output to the monitor e. None of these
The sleep method of the Thread class requires one formal parameter that represents the number of:
(a) nanoseconds (b) microseconds (c) picoseconds (d) milliseconds
Select the Header row option if you want to include column headings in the sorted table.
Answer the following statement true (T) or false (F)
Which of following is not one of the elements of a security model?
A. External interface requirements B. Security policy objectives C. Criminal background checks D. Rules of operation