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Drawing conclusions The goal is to learn something about the process at hand by studying patterns in the time series. Use the time series plot constructed in step 2 to answer the following questions.
a. What pattern in the data would suggest improvement over time? Did you improve over time? Among the members of the class, find one that showed marked improvement over time.
b. What pattern in the data would show a stable process over time (one with no obvious improvement or deterioration)? Find at least one plot that shows a relatively stable process.
c. What pattern in the data would show deterioration of the process over time (the process is actually getting worse with time)? Can you find a plot that shows deterioration
d. Taking into account the various patterns of the data, discuss possible rules for selecting a winner of the "Flick the Nick" competition. The class should reach a consensus and "award" an appropriate prize to the winner.
Assume that we will randomly select a sample of 64 measurements from a population having a mean equal to 20 and a standard deviation equal to 4.
a bank manager wishes to provide prompt service for customers at the banks drive-up window. the bank currently can
The median is a useful measure, but it can be misleading. Describe a circumstance when the median is very useful as the average and a circumstance when the median is very misleading as the average.
Construct a misleading graph that a college recruiter might create to convince high school students that they should attend college. Construct a graph that does not mislead.
a club with 31 members is voting on a proposal. a group of 4 has decided to vote in favor of the proposal while each of
Assess the impact of an event on a population. I ran a survey before the event and then I ran the survey after the event. The collected responses matched between prior to the event and after. I used paired t-test to determine if the event had a posit..
the joint density for xy is given byfxyxy x3 y3 16 0 ltx lt 2 0 lt y lt 2a find the marginal densities for x and yb
what percent of the total number of seeds germinated?
IQ scores but have been standardized so that complete sample has mean of M = 10 and standard deviation of s = 2. Compute mean and the standard deviation for the sample of n = 8 females and for sample of n = 8 males.
q1. dr. patton is a professor of english. recently she counted the number of misspelled words in a group of student
Historically, Stat 2480 students average 80 points on midterms. One section earned the following scores: 90, 78, 73, 62, 77, 75, 61, 63, 68, 78, 75, 80, 87, 73, 78, 75, 78, 88, 70. Assume the test scores for the section represent a random sample from..
Using analytical methods, find the PDF of Z as well as the mean-squared value, E [Z2] .- Using MATLAB, create a histogram for the probability densities for the random variable Z .
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