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How many rounds of golf do those physicians who play golf play per year? A survey of 12 physicians revealed the following numbers: 6, 39, 16. 4, 35, 38, 21. 14, 16, 33, 14, 54 Estimate with 92% confidence the mean number of rounds played per year by physicians, assuming that the population is normally distributed with a standard deviation of 8. Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits. Confidence Interval (20.1585,28.24145)

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Here n 12 Sample mean-7=-= 24.1667 Sample mea 24.1667 Population S.D=σ= 8 Sample size =n= Significance Level = α = 0.08 12 Critical value--*-1.751 Standard Error2.3094 Margin of Error--* |-| 4.0430 ym Lower Limit =x-(Margin of Error) = 20.1237 Upper LimitMargin of Error)- 28.2097 The 92% C.1 is( 20.1237, 28.2097)

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