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Problem Set 1: Chi Square Goodness of Fit (6 pts)1) Complete the following chart (A teacher believes that the percentage of students at her high school who go on to college is lower than the rate in the general population of high school students. The rate in the general population is 69.7% (BLS, 2017). In the most recent graduating class at her high school, the teacher found that of 104 who graduated, 61 of those went on to college.
Round to two decimal places when calculating the expected values). Show all work in the space provided beneath it. (1 pt per row = 2 pts total)
Frequencies Went to college Did not go on to college
Observed
Expected
Find the strategy that maximizes the manufacturer's expected net earnings and Should the manufacturer routinely obtain credit rating reports on those retailers who seek credit approval? Why or why not?
Create a scenario for applying the Goodness of Fit application of Chi-square. State the hypotheses, the level of significance, the result and its meaning.
In a study to investigate the extent to which individuals are aware of industrial odors in a certain region ("Annoyance and Health Reactions to Odor from Refineries and Other Industries in Carson, California," Environmental Research, 1978: 119-132..
Are your decisions consistent in parts a and b? Explain why or why not.
The week 5 assignment addressed point and confidence interval estimation, one of the two major divisions of inferential statistics. The remaining weeks of this course bring together everything we've covered in this course thus far in our study of ..
You are holding a portfolio of stocks where the beta of your portfolio is 2 and its correlation with "M" is 1/2.
The life spans of three randomly selected fruit flies are 41 days, 31 days, and 52 days. Find the z-score that corresponds to each life span, are they unusual.
1. let x be normally distributed random variable with mu 100 and sigma 10. find the probability that x is between 75
El Niño. Concern over the weather associated with El Niño has increased interest in the possibility that the climate on earth is getting warmer.
What are the mean and the standard deviation of the number of firms that purchase a Unix machine from Sun Microsystems?
customers arrive at the atm at the rate of 12 customers per hour and spend 2 minutes on average on all the
If you wish to estimate the proportion of engineers and scientists who have studied probability theory and you wish your estimate to be correct
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