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Recently, regional automobile dealership sent out fliers to perspective customers, pointing that they had already won one of three different prizes: How many fliers do you believe automobile dealers
Create the equation to account for seasonal effects and any linear trend in time series. Based on seasonal effects in data and linear trend.
Prepaid shipping charges of $46.45. Sales term on invoice are 3/10, n/30. Determine the amount due if paid within cash discount period?
Determine the project's IRR? Suppose the initial investment of $175,000 and suitable discount rate of 6%. The hospital is operated as not-for-profit facility.
Create 95% confidence interval estimate for population mean processing time. Do you think that assumption needed to create confidence interval estimate in (a) is valid? Describe.
Create 95% confidence interval estimate for population mean number of days between receipt of complaint and resolution of complaint.
Find the random variable? X=? graph probability distribution. Describe how to do this? find probability that time is at most 30 minutes.
To test hypothesis you gathered data on 100 children between ages of 0 and 4 over the past 7 years. Four of these children have been diagnosed with cancer. Is neighborhood "cancer cluster"?
Compute the mean, median and mode. Compute range, interquartile range, variance, standard deviation and coefficient of variation.
What size sample must be obtained if she wants estimate to be within 0.05 with 90% confidence if (a) she uses previous estimate of 0.46?
If probability that both whistle and gum will work on this dog is 48%, find the probability that you will be able to get past dog (by putting it to sleep or whistling or both)
Create boxplot or normal probability plot to estimate assumption made. Do you think that assumption required to conduct t test in (a) is valid? Describe.
Is there evidence that mean amount is different from 1.0 gallon (use α = 0.01). Calculate p-value and interpret its meaning.
Create the schedule reflecting ratio analysis of each company. Calculate all ratios from module for which you have enough data.
Suppose that high means in top third of industry, average means in middle third and low is in bottom third. Based on this information, which company would you choose?
Perform the Internet search to find study whose statistical results have been published in news or any other public forum.
Explain what changes you anticipate this would make to accuracy, documentation, expense, and convenience of voting process.
Are there any modern tools which assist solve this type of problem which either give work around, or that rely heavily upon, Pythagorean Theorem?
Sue Ellen had $10 coupon for meal at her favorite restaurant. How much was bill before deduction was taken and tip was added?
Which person has comparative benefit in chicken? How would you extend above narrative to businesses, society as whole or nations? Describe.
If the forklift operator is able to load 10 bundles of 2x4's per hour, how many hours will it take operator to load full day of production?
Determine the sample size essential for 80% confidence level with maximal/marginal error of estimate E = 2.00 for mean plasma volume in male firefighters.
Is there evidence of difference in variability of waiting time between two branches? (Use α= 0.05). Find out p-value in (a) and interpret its meaning.
Create and interpret 95% confidence interval estimate of difference between population mean battery life of two types of digital cameras.
Write null and alternative hypothesis if you want to find out whether mean amount spent is higher for men than for women.