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1. The author Shere Hite undertook a study of women's attitudes toward sex and love by distributing 100,000 questionnaires through women's groups. Only 4.5% of the questionnaires were returned. Based on this sample of women, Hite wrote Women and Love, a best-selling book claiming that women today are fed up with men. For example, 91% of the divorced women in the sample said that they had initiated the divorce, and 70% of the married women said that they committed adultery. Explain briefly why Hite's sampling method is nearly certain to produce a strong bias. Are the sample results cited (91% and 70%) much higher or much lower than the truth for the population of all American women?
Calculate the mean, median, and standard deviation and get statistics on the original reaction time, separately for the three stimulus types. Comment on how the means compare for the three stimulus types.
Identify the type of observational study (cross-sectional, retrospective, or prospective) described
What was the total number of participants surveyed for the study and what was the total number of participants who completed the entire survey?
Is the mean Hemoglobin level of a group of high-altitude workers different from 16g/cc and does the mean speed of 50 cars as checked by radar on a I-70 differ from 65mph?
Examine the skewness and kurtosis values for each dependent variable, examining the histograms and examine the Shapiro-Wilks' results and What is the outcome of the multivariate tests
Develop a 95% confidence interval estimate of the population mean sales price and population mean number of days to sell for Gulf View condominiums. Interpret your results.
a study was conducted to determine the impact of social media use on student learning. a total of 103 students taking a
What are the assumptions made in performing the hypothesis test in Question 3? Are these assumptions reasonable? Provide explanation to substantiate your view.
question 1 let x yz denote i.i.d. random variables with exp distribution for lambda gt 0. find px lt y zquestion 2
How does the decrease in confidence affect the sample size required?
Find the probability
Evaluate the correlation coefficient.
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