Stats Help for College-level Students

Determining the least squares trend equation and working with various equations in time series and forecasting data. Complete with full regression analysis. Attachments in MS Word.

Listed is the selling price for a share of PepsiCo, Inc. at the close of the year A. Plot the data B. Determine the least squares trend equation C. Calculate the points for years 1993 and 1998 See attachment below for time series table.

Statistics

Mean, median, mode, range, standard deviation and probability.

Working with probability given a specific situation.

Do you try to pad your insurance claim to cover your deductible? About 40% of all U.S. adults will try to pad their insurance claims. Suppose that you are the director of an insurance adjustment office. Your office has just received 128 insurance claims to be processed in the next few days. What is the probability that a. ha ...continues

Am I using the right formula?

I'm not sure if I'm using the correct formula for this problem. It's a hypothesis testing problem so I need to do all the steps. Here is what I put. Ho: mu<.27 Ha: mu ->.27 I used z=p-hat-P/p((1-p)/n) the denominator square rooted. So my answer was 6.396. I just don't think I'm using the right formula. Any help woul ...continues

ops research

The Dub-Dub and Dub Company produces and markets three lines of WEB page designs: A, B, and C; A is a standard WEB page design and B and C are professional WEB page designs. The manufacturing process for the WEB page designs is such that two development operations are required - all WEB page designs pass through both operations ...continues

Statistics

Hypothesis testing given significance level

Statistics

Probability, standard deviation, hypothesis testing

Statistics

Mean, median, mode, standard deviation and probability

Hypothesis testing

21st Century Insurance Company claims that telephone calls for policy holder information are answered in at most 3 minutes. A random survey of 36 phone calls results in the mean 3.3311 and standard deviation 2.1788. Is there sufficient evidence to disprove their claim? Alpha .05

Testing a claim given a confidence level, mean and standard deviation.

Sample data was collected in a study of calcium supplements and their effects on blood pressure. A placebo group and a calcium group began the study with blood pressure measurement. At a 0.05 significance level, test the claim that the 2 sample groups come from populations with the same mean. Placebo mean: 114.6538, standard d ...continues