1-8. A restaurant made counts of the numbers of people waiting in line every hou
ID: 3047637 • Letter: 1
Question
1-8. A restaurant made counts of the numbers of people waiting in line every hour from five to eight Monday through Thursday. Here are the observations: 9 0 3 6 6 10 8 6 2 4 264 1. What are the three statistics that could be used to portray the central tendency of the data: mean, median and mode. a. 6.0, 6.5, 7.0 b. 6.0, 6.5, 7.0 c. 6.0, 7.0, 6.0 7.0, 6.0, 6.0 e, 7.0, 6.5, 6.0 2. What are the three statistics that could be used to portray the spread of the data: range, standard deviation, Inter quartile range? (a) 26, 6.6, 5.0 b. 6.0, 6.0, 6.0 c. 26, 44.1, 5.0 d. 6.0, 26, 441 e. None of the above 3. What is your best guess for the true average number of people per hour waiting in line at the restaurant during those tmes?Explanation / Answer
3. Best guess for the true average
= Sample mean
= (9 + 0 + 3 + 6 + 6 + 10 + 8 + 6 + 2 + 4 + 26 + 4) / 12
= 84/12
= 7.0
Option e is correct.
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