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Your county is discussing a plan to raise property taxes by 0.25% to cover the cost of a program to collect and analyze community crime data. Create a short PowerPoint presentation (6-8 slides) for your next county board meeting that details why crime statistics should be collected, how they are used, and how analysis of those statistics could benefit the community.
Find the questions based on multiple regression - The coefficient of determination for the above model is approximately
The following random sample was collected: 22 33 44 6 The 80% confidence interval for the mean is?
what will be the standard deviation of the share price if it is assumed that there is a 95% probability that the value will be at least 64?
Past data reveals that the graduation rate was 72% for the medical school at a university. If 10 medical students are randomly selected for that school. Find the probability that only 4 of them will graduate.
The university police department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows Poisson distribution with a mean of 9 tickets per day.
If a filled container of juice is selected at random, what is the probability that it is a nonconforming container? If a filled container of juice is selected at random, what is the probability that it was filled on machine II?
Now compute the standard deviation for this distribution.
The impact of campaign film on attitudes toward a political candidate was investigated. Prior to showing the film, the attitudes of 15 people toward the candidate were assessed using a political likability scale.
Construct a 95 percent confidence interval for the true mean.
The average balance for customer accounts in The Reserve Fund at the time it was frozen by the Securities Exchange Commission (SEC) was $22,500, with a standard deviation of $7,500.
At the .10 significance level, can we conclude that there is a difference in the amounts quoted?
Is this an ideal data collection method? Can the results be considered reliable? Can the gathered data be representative of the population?
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