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The study of statistics is interesting and rewarding and can make you A more accomplished and professional public or non-profit administrator.
The advantages of a statistical approach.
Statistics have great power to describe systematically A body of information or data to provide the background you ned for decision making.
• Because it is secondary data it is usually cheap and is less time consuming because someone else has compiled it• Patterns and correlations are clear and visible• Taken from large samples so the generalisability is high• Can be used and re-used to check different variables• Can be imitated to check changes which increases reliability and representativeness
Describe a study you might design that could use the Chi Square statistic. What are the variables? What are the null and alternative hypotheses? Why would the Chi Square test be appropriate for this design? What would the Chi Square statistic indicat..
Estimate the trend using a centered moving average. Using an classical additive decomposition, calculate the seasonal component. Explain how you handled the end points.
HI6007 Statistics and Research Methods for Business Decision Making Assignment, HOLMES INSTITUTE, Australia. Construct a cumulative frequency distribution
Determine the association between the predictive variables described below and having a low birth baby using separately the dichotomous outcome
1) How much does a sleeping bag cost? Let's say you want a sleeping bag that should keep you warm in temperatures from 20°F to 45°F. A random sample of prices ($) for sleeping bags in this temperature range is given below. Assume that the population ..
From a deck of 52 cards , 3 cards are drawn at random. Find the following probabilities (A) the cards are of the same denomination (B) 2 are of the same denomination and 1 is different
The reasons given in the survey why shoppers purchase on impulse, along with the percentage in each category, Illustrate the data using a pie chart
How the Pitot Static system operates on a large passenger aircraft with particular reference to information gathering and presentation to the flight deck.
Find the best-predicted value of y given
State the interpretation of 95% confidence interval and state whether or not the billing system was effective.
Have X= 1, 4, 3, 2, 5, 6, 0. and Y= 1, 3, 3, 1, 4, 7, 2. I get the least squares equation as y=15/28+23/28x. is it correct? How do I test whether the model can be used for predicting Y? How much of the variation in T is explained by variation i..
Strategic placement of lobster traps is one of the keys for a successful lobster fisherman. An observational study of teams fishing for the red spiny lobster in Baja California Sur, Mexico, was conducted and the results published in Bulletin of Marin..
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