Confidence Interval Estimation for a Single Parameter Confidence interval estimation of the proportion of bikers who gain injuries when biking. Number of respondents gain injuries who Number of 58 Respondents Column1 Mean 0.74137931 0.057998189 Standard Error Median Mode 1 0.441701051 0.195099819 -0.745539112 -1.131987345 Standard Deviation Sample Variance Kurtosis Skewness Range Minimum Maximum Sum Count Confidence Level(95.0%) Upper Cl (95%) Lower CI (95%) 1 1 43 58 0.116139371 0.857518681 0.625239939 23

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