Creek Ratz is a very popular restaurant located along the coastof northern Flori
ID: 2950896 • Letter: C
Question
Creek Ratz is a very popular restaurant located along the coastof northern Florida. They serve a variety of steak and seafooddinners. During the summer beach season, they do not takereservations or accept “call ahead” seating. Managementof the restaurant is concerned with the time a patron must waitbefore being seated for dinner. Listed below is the wait time, inminutes, for the 25 tables seated last Saturday night.
28
39
23
67
37
28
56
40
28
50
51
45
44
65
61
27
24
61
34
44
64
25
24
27
29
a. Explain why the times are a population.
b. Find the mean and median of the times.
c. Find the range and the standard deviation ofthe times.
28
39
23
67
37
28
56
40
28
50
51
45
44
65
61
27
24
61
34
44
64
25
24
27
29
Explanation / Answer
A) Since we are studying waiting times, they are the"population." In general, the population is the data in whichwe are going to study, whether they be horseshoes or handgrenades. B) The mean is the sum of all data points divided by the number ofdata points = 1021 / 25 = 40.84. The median is the midpointof the sorted data points: 39. C) Range = max - min = 65 - 23 = 42 stdev = sqrt((x - mean)^2 / (n-1)) = 14.85
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.