Data Analysis with Microsoft Excel: Updated for Office 2007
208 Fundamentals of Statistics Excel creates 16 columns each containing 100 rows of random values from a standard normal distrib ...
Chapter 5 Probability Distributions 209 The distribution of the sample averages looks normal and, in fact, is nor- mal. The dist ...
210 Fundamentals of Statistics 6 Click the Output button, and then click the New Worksheet option button and type Sample Average ...
Chapter 5 Probability Distributions 211 CONCEPT TUTORIALS Sampling Distributions You can use the exploration workbook Population ...
212 Fundamentals of Statistics 6 Continue working with the Population Parameters workbook and close it when you’re finished. You ...
Chapter 5 Probability Distributions 213 that case? We can, by means of the Central Limit Theorem. The Central Limit Theorem stat ...
214 Fundamentals of Statistics The worksheet lets you generate 150 random samples from one of eight common probability distribut ...
Chapter 5 Probability Distributions 215 Note that if you want to view the histogram with different bin values under different sa ...
216 Fundamentals of Statistics Having learned something about the uniform distribution, let’s observe the sampling distribution ...
Chapter 5 Probability Distributions 217 Figure 5-27 Sampling distribution for average from the uniform distribution sample size ...
218 Fundamentals of Statistics Explore the following statistical concepts: a. Defi ne the term random variable. b. How is a ra ...
Chapter 5 Probability Distributions 219 where p is the probability of the event (such as getting a head) and n is the number of ...
220 Fundamentals of Statistics b. If you collect 25 years of accident in- formation at this factory, how could the number of acc ...
Chapter 5 Probability Distributions 221 function returns the value of x. Use this function to calculate the x values for the fol ...
222 Fundamentals of Statistics that the average horizontal location of her or his shots was within 0.2 unit of the bull’s eye? d ...
Chapter 5 Probability Distributions 223 According to the rules, anyone who re- acts in less than a tenth of a second must have f ...
224 Chapter 6 STATISTICAL INFERENCE Objectives In this chapter you will learn to: Create confi dence intervals Apply a hypothesi ...
Chapter 6 Statistical Inference 225 T he concepts you learned in Chapter 5 provide the basis for the subject of this chapter, st ...
226 Fundamentals of Statistics standard error. The calculated value will then follow a standard normal dis- tribution; that is, ...
Chapter 6 Statistical Inference 227 We can use a two-sided z value to construct a general expression for the confi dence interva ...
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