Tag: Statistics

Using moving averages for n = 2 and n = 3 will produce what types of forecasts?   If forecasting using 33 months of historical data, how many months should you forecast if using a 95% Confidence Interval?   If Read More …

The board of directors at a large corporation wants to base their division managers’ pay raises on the profit performance of their respective divisions. They have asked you to evaluate the performance and raises at other companies and propose a Read More …

Using one of the Data Tools and Apps from the U.S. Census Bureau, choose some interesting census data and perform a statistical analysis on it in order to answer a question you want to answer with the data. Do not just copy and paste Read More …

Cars are arriving at a toll booth on average of 4 per minute. What is the probability that exactly 8 cars will arrive in the next two minutes? Please follow and like us:

Prompt: A major tire manufacturer claims their heavy-duty truck tires have an average usage life of 71,000 miles. The shipping department of the company you work for has been using these tires for several years and feels they are not getting Read More …

The board of directors at a large corporation wants to base their division managers’ pay raises on the profit performance of their respective divisions. They have asked you to evaluate the performance and raises at other companies and propose a Read More …

For each of the following questions, identify: whether it involves one-variable analysis or two-variable analysis; whether the variable(s) are discrete or continuous. What are the 4 most popular songs played on the radio last week? How does the amount of Read More …

The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 Read More …