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Plot the following set on a scatter plot. Estimate the correlation and them compute it. Next identify any outliners in the following sets of data. Explain why you consider these to be outliners. Next recover those data points and re compute the correlation coefficient. What happens? What are the implication of this choice? Is it ethical to just remove these data points?
a.) x---25 34 43 55 92 105 16
y---- 30 41 52 66 18 120 21
b) x---5 7 6 6 4 8
y--304 99 198 205 106 9
there are a total of 160 practicing physician in a city. of them 75 are female and 25 are pediatricians of the 75
Assuming the nurses surveyed were a simple random sample from the population of all nurses in the United States, find the appropriate null hypothesis for these data
An automobile assembly line operation has a scheduled mean completion time of 2.2 minutes. Because of the effect of completion time on both preceding and subsequent assembly operations, it is important to maintain the 2.2 minute mean completion ti..
the past many years, the average number of employees absent on Friday is 2.6. Given this data she asks you to compute the probability that more than 5 will be sick on a given Friday.
A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the weight ofthe boxes, a few were checked.
A group of 20 sales associates agree to go through a week-long sales class to improve their productivity. The amount of their sales are computed for one month before and one month after the training course.
a marketing research firm was hired to estimate the mean prime-lending rate for banks located in the western region of
the following question was put on a questionnairewhat was your last salary?a 0 -10000b 10001 - 20000c 20001 - 30000d
Illustrate what does weighting add to usefulness of moving averages and explain how is it done. The yield on a thirty year treasury note at the end of every year since 1990 is recorded below.
If one of the Titanic passengers is randomly selected, find the probability of getting a woman or someone who didn't survive the sinking.
Within each of your current careers/ jobs, there are sets of data that can be analyzed. For example, a teacher can use a set of test scores, a dietician can analyze a set of patient weights and correlate them to incidences of diabetes, and a sales..
Using substitution in one of the standard Taylor series, find the Taylor series about f for 0. Give all terms up to the term in x^3.
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