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Discussion
Instructions: Each week there will be a discussion question for the interaction between students and the instructor. Be sure to: 1) Identify any sources you use in your post, 2) properly cite any sources, and 3) use APA format.
Your "substantive" initial response should be a minimum of 300 words, excluding references at the end.
Topic: Why is the F-distribution used for the analysis of variance (ANOVA)? What are the characteristics of the F-distribution? How does the F-distribution differ from the z-distribution and the t-distribution?
Determine the sample size that makes the margin of error in a 95 percent confidence interval for the proportion of the 1,323 vouchers that were filled out incorrectly equal to .04.
A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 85 and 125 points?
Explain the difference between a normal Distribution and a binomial distribution. How do we know which one to use?
A university librarian wanted to determine if social sciences undergraduates had a preferred method for searching the Internet for sources for academic papers. Over a 5-day period she randomly surveyed 100 students who came into the CSUDH library and..
Analysis of Variance SPSS instructions: Use the five steps of hypothesis testing to determine whether the observed differences in the number of activities in the following table performed by the three groups are statistically significant at the .05 l..
17). A study was conducted to determine whether big-city and small town dwellers differed in their helpfulness to strangers. In this study, the investigators rang the doorbellsof strangers in living in Newyork city or small towns in the vicini..
The franchise has 6 hours of labor available and has contracted to get 30 lbs. of sausage and 30 lbs. of ham. The manager also plans on purchasing 16 lbs. of flour. Profit on a sausage biscuit is $.60 and $.50 on a ham biscuit. Create a model to help..
question 1 the manager of a cosmetics company was interested in new zealanders personal hygiene. a survey was conducted
If Vince charged $200 on his credit card with 18% APR and he paid his balance in full within the grace period, how much was he required to pay?
Use a classical multiplicative decomposition to calculate the trend-cycle and monthly seasonal indices. Do the results support the graphical interpretation from part (a)?
CE 26400 Data Analysis - Fall 2016 - Explore the National Water Information System (http://waterdata.usgs.gov/nwis) to find dis- charge gauges across the United States with long time series record
During his career in the NHL, hockey great Wayne Gretzky had the following season-total goals for each of his 20 seasons.- Construct a frequency distribution and a histogram for these data.
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