A number of people were asked how many days they would wait to seek medical trea

Question

A number of people were asked how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table.

Number

of Days

Frequency

0

27

1

1,342

2

966

3

272

4

19

5

10

Consider this collection of people to be a population. Let X be the number of days for a person sampled at random from this population. Compute the mean of X.

Write only a number as your answer. Round to 2 decimal places (for example: 2.66).

Number

of Days

Frequency

0

27

1

1,342

2

966

3

272

4

19

5

10

Explanation / Answer

Consider:

Thus,  
  
Mean = Sum(xf) / Sum(f) =    1.59939302 = 1.60 [ANSWER]

x f x f 0 27 0 1 1342 1342 2 966 1932 3 272 816 4 19 76 5 10 50

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