QUESTION 3 MARGIN OF ERROR MEAN:

QUESTION 3 MARGIN OF ERROR MEAN:
WHAT IS THE MARGIN OF ERROR FOR THE POPULATION MEAN AT 90% CONFIDENCE LEVEL FOR THE INFORMATION IN DATA:

HINT: IT IS SUGGESTED THAT YOU COMPUTE USING EXCEL, USE THE CELL ADDRESSES INSTEAD OF TYPYING INTERMEDIATE RESULTS AND ONLY ROUND THE FINAL RESULTS USING THE NUMBER OPTIONS IN HOME TAB.

Wait Time (minutes)

1.0

5.3

1.1

0.2

0.2

1.8

0.4

1.5

3.5

0.7

3.0

2.5

0.4

1.3

5.7

2.1

0.8

7.6

1.3

1.2

1.3

3.7

4.2

2.1

0.3

3.3

5.8

0.6

2.0

7.5

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