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PLEASE SHOW ANSWER WITHOUT USING EXCEL OR ANY SOFTWARE. NEED DETAILED WORKINGS OF THE ANSWER. PLEASE...

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Basic Math

PLEASE SHOW ANSWER WITHOUT USING EXCEL OR ANY SOFTWARE.NEED DETAILED WORKINGS OF THE ANSWER. PLEASE NOTE NOEXCEL

The manager of a computer software company wishes to study thenumber of hours senior executives by type of industry spend attheir desktop computers. The manager selected a sample of fiveexecutives from each of three industries. At the .05 significancelevel, can she conclude there is a difference in the mean number ofhours spent per week by industry?

Banking

Retail

Insurance

32

28

30

30

28

28

30

26

26

32

28

28

30

30

30

PLEASE SHOW ANSWER WITHOUT USING EXCEL OR ANY SOFTWARE.NEED DETAILED WORKINGS OF THE ANSWER. PLEASE NOTE NOEXCEL

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