First Homework With Answers

First Homework With Answers - Skewness negative Kurtosis...

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First Homework Assignment This is help you practice for the test and will not be graded. Directions: o With the following data compute the statistics identified in the table. o Create the following charts: Frequency distribution Grouped frequency distribution Histogram o Describe these charts 65, 91, 85, 76, 85, 87, 79 , 93, 82, 75, 100, 70, 88, 78, 83 , 59, 87, 69, 89, 54, 74, 89, 83, 80, 94, 67, 77, 92, 82, 70, 94, 84, 96, 98, 46, 70, 90, 96, 88, 72 (Central tendency) Value Mean 80.93 Median 83 Mode 70 Any outliers Just “eyeball” it. Looks like 46 is and maybe 54.
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Unformatted text preview: Skewness negative Kurtosis Does not appear to have any visible kurtosis issues Q1 72 Q2 The median, 83 Q3 90 (89 is acceptable, too) The percentile for 89 73 rd percentile The percentile for 76 31 st percentile Variability Range 54 Interquartile Range IQR=Q 3-Q 1 =90-71=17 (if your Q 3 =89, then IQR=18) All 40 #’s, Sample 1 st 10, Sample 1 st 10, Population Standard deviation 12.25 8.35 7.92 Variance 150.02 69.73 62.76...
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This note was uploaded on 03/29/2012 for the course BIO 359K taught by Professor Mcclelland during the Spring '08 term at University of Texas.

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First Homework With Answers - Skewness negative Kurtosis...

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