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Answer the following question using a chi square test of significance. In your answer you must do the following:
A report from your local drug treatment facility has just released a report on the âdrugs of choiceâ of their participants. They have indicated that their participants are the following: 10% heroin, 35% cocaine, 35% methamphetamine, and 20% other drugs. You would like to determine whether those figures are different than the percentages that you see in your arrestee population. Looking at your recent arrest figures, you find that the drug of choice for arrestees is 343 heroin, 662 cocaine, 1177 methamphetamine, and 270 other drugs. Are the drug of choice percentages from the treatment facility significantly different from the âdrug of choice percentages of arrestees? Explain.
Suppose that the probability is 1 in 3,900,000 that a single auto trip in the U.S. would result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips.
Find the mean and the standard deviation of the sampling distribution of x bar, and find an interval containing 95.44 percent of all possible sample mean returns.
Explain in your own words why swing weights produce meaningful weights for evaluating alternatives. A decision maker is assessing weights for two attributes using the swing-weight method. When he imagines swinging the attributes individually from w..
the national science foundation nfs condust its survey of earned doctorates sed of all individuals receiving research
The following exercises involve constructing definitions:- Construct theoretical definitions for "energy" and "atom."
Find the estimated regression line, and complete the ANOVA table.- Conduct an F test for a significant regression. Use a significance level of 0.01.
Estimate the number of moose on Isle Royale from these data, and then verify your guess by computer program.
you take 100 random samples of size four each and, for each sample, find a 95% confidence interval for the mean IQ.
A telescope manufacturer wants its telescopes to have standard deviations in resolution to be significantly below 2 when focusing on objects 500 light-years away. When a telescope is used to focus on an object 500 light years away 30 times,
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
Choose at least ONE of the following clips from ABC News and view it. Indicate which one you picked and write a response. Include SPECIFIC things that you learned or found interesting and how it affected you. Are there any changes you intend t..
according to runzheimer international a typical business traveler spends an average of 281 per day in chicago. this
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