Consider the following population of 10 numbers. [See Section7.1 in the text]. 20 24 13 19 9 16 11 7 18 30 a) Calculate the population mean. (Show your work and round your answer to two decimal places). Population mean () = _____16.7__________ 20 24 13 19 9 16 11 7 Column1 Mean Standard Error Median Mode Standard Deviation Sample Variance 18 Kurtosis 30 Skewness Range Minimum Maximum Sum Count Confidence Level(95.0%) 16.7 2.2313 42 17 #N/A 7.0561 24 49.788 89 0.1228 1 0.4690 93 23 7 30 167 10 5.0476 47 b) A manager selected one sample of nine numbers from this population (shown in the table below). 20 24 13 9 16 11 7 18 30 Calculate sampling error for this sample. (Show your work and round your answer to two decimal places). Sampling error = _____2.48__________ 2 0 2 4 1 3 9 Column1 Mean Standard Error 16.4444 4 2.47830 1 1 6 1 1 7 Median Mode Standard Deviation 1 8 Sample Variance 3 0 Kurtosis Skewness Range Minimum Maximum Sum Count Confidence Level(95.0%) 16 #N/A 7.43490 3 55.2777 8 0.25533 0.59188 1 23 7 30 148 9 5.71497 2