Jesse scored a +12 while golfing and, 18 points while playing basketball. The statistics for his teammates for each sport are given below. Class Mean Standard Deviation Golfing Basketball 14.2 3.2 12.5 4.1 In which sport did Jesse do better, when compared to his teammates? (Hint: In golf, the lower your score, the better!) What does his Z-score basketball represent in the context of the problem?

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.