993円 The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches. A sample of four metal sheets is randomly selected from a batch. What is the probability that the average length of a sheet is between 30.25 and 30...

993円 "1. Estimate the 95% confidence interval for the proportion of the electorate that support this policy 2. Given the politician’s requirement to support the policy, use a 5% significance test to demonstrate whether or not he/she should support it. "

9,723円 This book was written to provide resource materials for teachers to use in their introductory or intermediate statistics class. The chapter content is ordered along the lines of many popular statistics books so it should be easy to supplement the content and exercises with class lecture materials...

993円 Using an appropriate statistical test determine if there is a significant association between gender and satisfaction with the new initiative.

9,116円 Survey sampling is fundamentally an applied field. The goal in this book is to put an array of tools at the fingertips of practitioners by explaining approaches long used by survey statisticians, illustrating how existing software can be used to solve survey problems, and developing some speciali...

12,767円 This is the first book to introduce the new statistics - effect sizes, confidence intervals, and meta-analysis - in an accessible way. It is chock full of practical examples and tips on how to analyze and report research results using these techniques. The book is invaluable to readers interested...

993円 "1. Suppose a survey item asks someone if something is very important, somewhat important, not very important, or unimportant. This is an example of what level of measurement? A. nominal B. ordinal C. interval D. ratio 2. Which level of measurement has an absolute or ""true"" zero point? A. nomin...

993円 "The table below gives the distribution of blood types by gender in a group of 1000 individuals. Answers for parts a through f can be stated as fractions, such as 5/7, or as decimals) A person is selected at random from the group. Find the required probability. Show work for each part."

9,616円 This timely book provides the definitive concise introduction to the phenomenon of Zygmunt Bauman. After introducing the man, his major influences and his special way of 'thinking sociologically', author Blackshaw traces the development of Bauman's project by identifying and explaining the major ...

993円 "A stationery store wants to estimate the mean retail value of greeting cards that it has in its inventory.  A random sample of 100 greeting cards indicates a mean value  of $2.55 and a standard deviation of $0.44. a. Assuming  a normal  distribution, construct a 95% con...

993円 A test was conducted to determine whether gender of a spokesperson affected the likelihood that consumers would prefer a new product.  A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers preferred the product while 62 of 180 customers ...

1,159円 The sample mean is 50, the t-statistic is 1.96, and the standard error of the sample mean is 2. What is the 95 percent confidence interval? a. 46 to 50 b. 46.08 to 53.92 c. 46.80 to 53.29 d. 48 to 52