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If in 1986 the violent crime rate was 617.7 and in 2005 the violent crime rate was 469.2, compared to 1986, what was the percent change in violent crime rate in 2005? If you were a journalist, how would you report your findings?
Find the p-value of the test of the hypothesis that mileage is not affected by the additive when the sign test is used;
What is the incremental costs associated with producing an extra 59,000 jars of sauce?
How can a person incorporate successful practices that me be observed in our classmates' presentations that were good into future presentations?
the company explains that although this proportion is lower than it might wish its not a surprising value given that
What is the standard deviation of the mean BMI in question #1? Calculate to two decimal places.
Test the hypothesis at the a = .01 level of significance that the proportion p1 of middle school girls who work a summer job before entering high school.
Cars on a toll road arrive at the payment booth at an average rate of 80 per) hour. What is the probability of no cars arriving in an interval of 2.5 minutes and at the same toll booth what is the probability that the time to the next car arriving ..
For the following statement, write the null hypothesis and the alternative hypothesis. Also label which one is the claim.
It is known that the variance of a population equals 484. A random sample of 81 observations is going to be taken from the population. With a .80 probability, what is the sampling error?
let xn1.32 the proportion and find the proportiona. propxlt2.85b. propxgt3c. prop1.33ltxlt5.3d.
In a random sample of 10 adults from a nearby county, the mean waste generated per person per day was 4.35 pounds and the standard deviation was 1.88 pounds.
Identify the two hypotheses involved in a paired t-test. What is the "pairing" requirement? Give a concrete example.
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