Workbook Week5 - values are a) _________ b)...

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Week 5 Chapter 12 Summarize with summaries-- single numbers and Boxplots 1. Define upper and lower quartiles for a list of 100 values from a quantitative variable. 2. What quantities make up the "five number summary" a) b) c) d) e) 3. Define the IQR 4. Write out in clear language exactly what a "Boxplot" is. 5. What is the definition of an "outlier" when drawing a "Boxplot"? 6. Name and locate the five quantities that make up a Boxplot. Be sure to circle any ‘outliers’
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7. Write down the formula for the sample mean. 8. Write down the formula for the sample standard deviation mean. Chapter 13 Ring the "Bell" to find the Normal score 1. What is the total area under a smooth "density" curve 2. Draw here the simplest "density" you can think of 3. The area under a density curve between two numbers gives 4. Only two values are required to draw a Normal Density--ie the Bell--- these two
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Unformatted text preview: values are a) _________ b) _____________________ 5. What is the standard normal distribution 6. Write the formula here that converts any observation score to a "standard score" 7. Using the Table of Values for Standard Normal (Put a link to NormalTables) to compute a) the 80 th percentile of the standard normal density. b) the 90 th percentile of the standard normal density. c) the 20 th percentile of the standard normal density.(What is the relationship of this value to that in (a)) 8. Refer to the Exercise 13.10 (p.281 in the Text) and write down the formula to compute the proportion of pregnancies which take longer than 270 days. 9. Refer again to Exercise 13.10 in the Text. Do the work here that computes how long the top 25% of pregnancies must last...
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This note was uploaded on 02/11/2010 for the course STAT 113 taught by Professor Mr.deely during the Spring '10 term at Purdue University Calumet.

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Workbook Week5 - values are a) _________ b)...

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