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The data set absorb .txt contains data from a silica processing plant. One key quality parameter for silica is the amount of oil it can absorb since silica is often mixed with rubber and oil in various rubber applications (battery sep arators, tires, shoe soles, etc.). The measurements here represent the average oil absorption of the silica produced on one shift.
(a) Construct a histogram for the data and describe its properties.
(b) Construct a runs chart for the data.
(c) Write a brief summary of the two data displays contrasting the infor mation gained by each plot.
question 1 a sample space consists of 64 separate events that are equally likely. what is the probability of
suppose fx y1 amp gx y xy 0lt x lt1 0lt ylt1 determine the most powerful test of size alpha .05 of hyp x y f vs. alt x
If four students are to be randomly selected from this group, find the probability that exactly two undergraduates will be among the four chosen.
question during 9 surveys throughout the past decade the apartment vacancy rates in minneapolis in percentage were
set up a hypothesis test for a scenario of your choice. you can use a scenario from your own experience or invent
a recent survey asked how many people they associatd with since they moved to chicago. the mean 6 and mode 1 16 of
Find the mean number of births per day. Find the probability that on a given day, there are no births. Find the probability that on a given day, there is at least one birth.
If X=85 (sample mean), 8 is population standard deviation, and n=64 is sample size, construct a confidence interval estimate for the population mean.
You roll two fair dice, one red and one green. What is the probability of getting a number less than 5 on both?
The Statistical Abstract of the United States published by the US Census Bureau reports that the average annual consumption of fresh fruit per person is 99.9 pounds.
State the decision rule. Compute the value of the test statistic. What is your decision regarding the null hypothesis?
in a study of redgreen color blindness 950 men and 2000 women are randomly selected and tested. among the men 83 have
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