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Question: More survey questions. Examine each of the following questions for possible bias. If you think the question is biased, indicate how and propose a better question.
a) Do you think high school students should be required to wear uniforms?
b) Given humanity's great tradition of exploration, do you favor continued funding for space flights?
a pharmaceutical company receives large shipments of ibuprofen tablets and uses this acceptance sampling plan randomly
PERSONNEL SELECTION The City Transit Authority plans to hire 12 new bus drivers. From a group of 100 qualified applicants.
If you repeatedly select two sample values, what is the mean value of the sample variance s2? The preceding parts show that s2 is an unbiased estimator of s2. Is s an unbiased estimator of u?
What is the expected number of applications? What is the variance?- If she has enough time to complete at most four applications, how confi- dent can she be of getting an offer within the available time?
Run the simulation model for Hammondsport Savings Bank's single ATM machine with the following assumptions: 1. Interarrival time between two customers is a uniform probability distribution
You will create this Word document by cutting and pasting SPSS output into Word.
for a small sample difference of means test where n1 20 and n2 20 and we can assume the population variances are
Find the sample mean for each group. Find the sample standard deviation for each group. Make a dot plot of the data sets A and B on the same line.
You are given the sample mean and the sample standard deviation. use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider?
Develop a list of four elements (variables) you would like to use to "measure" the association between exposure to violence and future criminality. Provide a brief explanation of the reasons you chose the variables
Under new grading scale, how many students will have A's, B's, C's, D's and F's? Do you beleive the instructor must grade on a curve? Explain why or why not?
At α = 0.05, is the correctness of the prediction different for the two types of cola drinkers?
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