MATH 399N

Initial Post Instructions When data is collected, the most common calculations computed are the Measures of Central Tendency, mean, median and mode. It is important to know how to compute these values and it is also extremely important to know what these values mean in context of the data set. Use the internet to find a data set. Key terms to search: Free Public Data Sets and Medical Data Sets. 1. Introduce your Data Set and Cite the Source. 2. Why was this data interesting to you? 3. Cal...

Initial Post Instructions Keep your eyes and ears open as you read or listen to the news this week. Find/discover an example of statistics & probability in the news to discuss the following statement that represents one of the objectives of statistics analysis: "Statistics and Probability helps us make decisions based on data analysis." Briefly discuss how the news item or article meets this objective. Cite your references. Also, keep in mind and discuss how the impact of your study on your p...

Initial Post Instructions After reviewing data from a sample, an inference can be made about the population. For example, Find a data set on the internet. Some suggested search terms: Free Data Sets, Medical Data Sets, Education Data Sets. 1. Introduce your Data Set and Cite the Source. 2. What trends do you notice in your data set? 3. Based on the trends and the history of your data set, make a claim. What kind of test (left, right, two tailed) would you have to complete? 4. Explain the st...

Initial Post Instructions Topic: Poisson Probability Distribution The Poisson Distribution is a discrete probability distribution where the number of occurrences in one interval (time or area) is independent of the number of occurrences in other intervals. April Showers bring May Flowers!! Research the "Average Amount of Days of Precipitation in April" for a city of your choice. In your initial post, Introduce a. Introduce the City and State. Let us know a fun fact! b. Tell us the aver...

Initial Post Instructions Log onto website where you can observe your service bill for the last 12 months (electric bill, cell phone bill, water bill, etc.). If you do NOT feel comfortable sharing this data, you can make up values. 1. In excel, list the values of your bill for the last 12 months on one column. 2. Find the sample mean and sample standard deviation of your data. 3. Pick three bills from the last 12 months and change the values into z-scores. What does the z-score tell you abou...

Initial Post Instructions Medical professionals can find relationships between variables. The more you drink alcohol, the less functionality of your liver. The less carbohydrates a person intakes, the lower their Body Mass Index. Data can be collected and organized as an ordered pair (x, y). The data can be analyzed to determine the type and strength of a correlation and to calculate a regression line in order to make a prediction. Use the internet to find a data set of ordered pairs. Key ter...

Initial Post Instructions Topic: Poisson Probability Distribution The Poisson Distribution is a discrete probability distribution where the number of occurrences in one interval (time or area) is independent of the number of occurrences in other intervals. April Showers bring May Flowers!! Research the "Average Amount of Days of Precipitation in April" for a city of your choice. In your initial post, Introduce a. Introduce the City and State. Let us know a fun fact! b. Tell us the aver...

Log onto website where you can observe your service bill for the last 12 months (electric bill, cell phone bill, water bill, etc.). If you do NOT feel comfortable sharing this data, you can make up values. 1. In excel, list the values of your bill for the last 12 months on one column. 2. Find the sample mean and sample standard deviation of your data. 3. Pick three bills from the last 12 months and change the values into z-scores. What does the z-score tell you about that particular month? A...

MATH 399N Week 3 Quiz Questions and Answers- Chamberlain College of Nursing

1. Determine if each of the following represents nominal, ordinal, interval, or ratio data. 2. The following numbers represent the weights in pounds of six 7- year old children in Mrs. Jones' 2nd grade class. {25, 60, 51, 47, 49, 45} 3. If the variance is 846, what is the standard deviation? 4. If we have the following data 5. What type of sampling technique is (a) a wheat field is divided into sections and a random sample of stocks are taken from each section, and (b) a manufactur...