First Homework With Answers - Skewness negative Kurtosis...

This preview shows pages 1–2. Sign up to view the full content.

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.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

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...
View Full Document

{[ snackBarMessage ]}

Page1 / 2

First Homework With Answers - Skewness negative Kurtosis...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online