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Basic Statistics for Business and Economics | 7th Edition | ISBN: 9780077384470 | Authors: Douglas Lind; William Marchal; Samuel Wathen
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Creek Ratz is a very popular restaurant located along the

Chapter 3, Problem 62E

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QUESTION:

Problem 62E

Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept "call ahead" seating. Management of the restaurant is concerned with the time a patron must wait before being seated for dinner. Listed below is the wait time, in minutes, 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 of the times.

Questions & Answers

QUESTION:

Problem 62E

Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept "call ahead" seating. Management of the restaurant is concerned with the time a patron must wait before being seated for dinner. Listed below is the wait time, in minutes, 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 of the times.

ANSWER:

Solution:

Step 1 of 3:

  The given data is

       

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). We have to explain why the wait times are a population.

      The wait times are a population. Because we have a random sample from the “wait times” population.

   

 

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