In a survey, students at two community colleges students estimated the hours the
ID: 3371416 • Letter: I
Question
In a survey, students at two community colleges students estimated the hours they spend on Facebook each week. Select all that apply. 1o points -T 0 2 4 6 8 10 12 14 facebook hours_per_week Which of the following statements is a valid conclusion that can be drawn from the boxplots? Check all that apply. A. The medians are close; they differ by about half an hour. This suggests that the typical student at each college spends about the same amount of time on Facebook each week. B. OIf we use Q1 and Q3 to define a typical range of values, the typical students at College B are on Facebook 7.5 to 9 hours a week. C. If we use range as a measure of variability, then College A has more variability. D. a If we use the interquartile range as a measure of variability, then College A has less variability.Explanation / Answer
Here are the right answer, with proper reasoning behind them. Please don't hesitate to give a "thumbs up" in case you're satisfied with the answer. Have a good day!
a. Median for college A is at 7
Median for college B is at 6.5
There is just a .5 hour differnce between median , hence A is a right conclusion
b. Lets check the boxplot for B. Q1 and Q3 are end and begin of boxes. They are at
3 and 9 respectively. So, Q1 is not rightl given in the question, hence B is wrong
c. Yes, since range of A is larger. So, C is correct option
d. Correct. A has lesser interquartile range, which essentially difference between Q3 and Q1.
So, A, C and D are correct.
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