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## Statistics

Estimate the mean amount as well as obtain the bound for the estimate.

A definite firm specializing in the manufacture and sale of leisure clothing has 80 retail stores in Florida and 140 in California. With each state as a stratum the firm wishes to estimate average sick-leave time per employee for the past year. Each channel can be viewed as a cluster of employees, and total sick leave time for each store can be determined from records. Simple arbitrary samples of 8 stores from Florida and 10 from California gave the results shown in the table below (mi - # of employees, yi - total days sick leave for the i-th store).

Evaluation the average amount of sick leave per employee and obtain the bound for the estimate.

 Florida California mi yi mi yi 16 40 16 50 20 51 8 32 8 30 4 11 12 36 5 10 22 68 12 32 15 50 17 37 11 39 22 61 7 23 30 39 24 40 10 41

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M923308

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