The director of the campus computing center did a study to determine the pattern
ID: 3251807 • Letter: T
Question
The director of the campus computing center did a study to determine the patterns of student computer usage. He found that 15% of the total student computer hours occurred during the first 5 weeks of the term, 25% during the middle five weeks, and 60% during the last 5 weeks. Would a time-series graph of this data be appropriate? Give a reason for your answer.
No. A time-series graph is not ideal for data collected over periods of longer than a week.
No. A time-series graph is not ideal for fewer than 10 events or categories of data.
Yes. A time-series graph identifies the frequency of events or categories in increasing order of occurrence.
Yes. A time-series graph would show how student usage of the computer lab varies during the term.
Yes. A time-series graph represents data that make up parts of a whole.
No. A time-series graph is not ideal for data collected over periods of longer than a week.
No. A time-series graph is not ideal for fewer than 10 events or categories of data.
Yes. A time-series graph identifies the frequency of events or categories in increasing order of occurrence.
Yes. A time-series graph would show how student usage of the computer lab varies during the term.
Yes. A time-series graph represents data that make up parts of a whole.
Explanation / Answer
Yes. A time-series graph would show how student usage of computer lab varies during the term. Hence, 4th option is correct.
3rd option is incorrect as the time series graph identifies frequency of occurence of events both in incresing and decreasing order.
5th option is incorrect because the graph or diagram that represents data that make up parts of a whole is pie chart(circular chart) but not time series graph.
1st and 2nd are incorrect as there are no such limits for a time series graph that are fewer than certain number of events or more than certain period of time.
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