Solution Library

Study to Test Hypothesis for Patients Suffering from Diabetes

QuestionResearchers examining the effectiveness of a short course that teaches diabetic self-care. Fifty diabetic patients were enrolled in the course, and fifty others served as a control group. (Patients were randomly assigned between the two groups.) Six months after the course, blood sugar level ... Read More

Reads ( 823 )
Price: Original Price: $5.50 Now at: $3.50     Add to Cart

Study About the Calories and Fat Content in Fast Food Items

QuestionIn a table it is shown the research result of dependence between calories and fat for some popular fast-food items:  Calories (x)    270    420    210    450    130    310    290&nbs ... Read More

Reads ( 935 )
Price: Original Price: $5.50 Now at: $3.50     Add to Cart

Study About The Current Parking Policy Opposed by Nurses, Doctors and Administrators

QuestionIn a survey of 500 nurses, 100 doctors and 30 administrators, the current parking policy was opposed by 360 nurses, 60 doctors and 5 administrators. a)    Summarise the data in a contingency table (two-way table). b)    What percent oppose the parking policy? c) ... Read More

Reads ( 1529 )
Price: Original Price: $4.00 Now at: $2.00     Add to Cart

Study About People Getting Exposed to Harmful Things and Getting Diseases

QuestionResearchers are working with a cohort of 1,313 people. They waited couple years to see which ones would expose themselves to some possibly harmful thing and 851 of them did.  The other 462 did not have (report) the exposure. Then they waited a few more years and observed which people go ... Read More

Reads ( 810 )
Price: Original Price: $4.00 Now at: $2.00     Add to Cart

Study About Doctors and Other Professionals and The Difference in their Breakfast

QuestionA survey asked professionals “Which of the following is your most common choice for breakfast?” Using the following data from a random survey, determine whether doctors choose breakfasts in different proportions from other professionals, to a 0.05 significance level.  & ... Read More

Reads ( 826 )
Price: Original Price: $5.50 Now at: $3.00     Add to Cart

Finding Mean Standard Deviation and Regression from Gini Coefficient Data

Question This question requires you to analyze the dataset “world-ec.csv". The unit of observation is the nation-state. The variables are per capita Gross Domestic Product (purchasing power parity terms, 2010) and the last recorded Gini Coeffcient for the country. (The Gini Coeffcient is a m ... Read More

Reads ( 1719 )
Price: Original Price: $8.50 Now at: $4.50     Add to Cart

Finding Mean and Standard Deviation For Presidential Elections between 1948 and 2004

QuestionThis question requires you to analyze the dataset “presvote.csv”. It contains data on presidential election vote shares for the party of the incumbent president from 1948 to 2004. The variables are defined in the spreadsheet.(a) What is the average and standard deviation of the i ... Read More

Reads ( 2664 )
Price: Original Price: $11.50 Now at: $6.50     Add to Cart

Calculate the Regression for Abortion Restrictions and Church Attendance

QuestionThis question requires you to download and analyze the dataset “abortion-laws.csv”. Consult the associated abortion-codebook.csv" for variable definitions.(a) Estimate a regression model with the total number of abortion restrictions as the dependent variable, and church attenda ... Read More

Reads ( 2333 )
Price: Original Price: $12.50 Now at: $7.50     Add to Cart

Calculating Multiple Regression For The Insurance Industry

QuestionA researcher in the insurance industry is interested in the time (in months) it takes an insurance firm to adopt an innovation in the way in which business is conducted in the industry.  He believes the elapsed time involved can be explained by the size of the firm (total assets in mill ... Read More

Reads ( 842 )
Price: Original Price: $18.50 Now at: $12.50     Add to Cart

Calculating Regression from the Financial Data of a Company

QuestionChoose a particular company. For example, (TWC).Time Warner Cable. Estimate the revenue, receivable, inventory, or payables using regression method .Find their financial data at https://finance.yahoo.com/   calculate a projection for the next twelve months. And present your data an ... Read More

Reads ( 1873 )
Price: Original Price: $14.50 Now at: $7.50     Add to Cart

Testing Manufacturer’s Claim on Toy’s Demands

Question Monsterz Toyz has developed a new action figure for boys that comes in six different colors. The manufacturer claims that the ratio of colors in each batch (in order from least to most popular) is 10% green, 10% red, 15% white, 20% yellow, 20% black and 25% blue. The last batch from the fa ... Read More

Reads ( 1239 )
Price: Original Price: $8.50 Now at: $5.50     Add to Cart

Study on People’s Memory Using Pearson Correlation Coefficient

QuestionA researcher ran a study to determine the relationship between how good a person thinks their memory is and how well they actually do on a memory task. They were asked to score their memory (where 1 = very poor and 10 = excellent). Their actual memory was tested by showing them a video of a ... Read More

Reads ( 1260 )
Price: Original Price: $5.50 Now at: $3.50     Add to Cart