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1. Determine the absolute differences for the values computed in column 4. Recall that in an absolute difference we ignore the sign of the difference. The absolute differences are shown in column 5.
If this poll had been based instead on 5000 adults, do you think the "95% confidence interval" would be wider or narrower than the interval given?
what is the probability two individuals chosen at random from a classroom of 30 students are both females if there are
a random variable x takes values between 0 and 4 with cumulative distribution function fx x216 for 0 ? x ? 4.what is
If is the proportion of the next 100 shoppers that buy a packet of the crackers after tasting a free sample, then the probability that fewer than 30% buy a packet after tasting a free sample is approximately.
suppose x has a continuous uniform distribution over the interval -1 1.a determine the mean variance and standard
Determine a 95% confidence interval for true time battery pack can function before having to be recharged.
What is the probability that they all have blue eyes? Would it be unusual to randomly select four people and find that they all have blue eyes? Why or why not?
Using excel, calculate the correlation coefficient, r, for the two variables. How would you interpret this measure?
suppose strep resistance rates in all cities across the country are actually 0.05.a if samples are taken in a
In an analysis of variance problem involving 3 treatments and 10 observations per treatment, SSE = 399.6. The MSE for this situation is:
an ecologist wishes to mark off a circular sampling region having radius 10 meters. however the radius of the resulting
Suppose you are trying to estimate the average miles per gallon for a new brand of car. You take a random sample of 40 cars, and, for this sample, the average miles per gallon is 32 and the standard deviation for this sample is 2.2. Answer the fol..
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