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This type of sampling is also known as chance sampling or probability where each and every item in the population has an equal change of inclusion in the sample and one of the possible samples in case of finite universe has the same probability of beings selected. In case of infinite population the selection of each item in a random sample is controlled by the same probability and that successive selection are independent of one another.
A travel agency surveyed 38 customers holidaying in Australia who took their spouses on either a skiing or a golfing vacation. The data comprises amounts (in hundreds of dollars).
The Midwestern Manufacturing Company (MMC) is a large manufacturer of electrical generators. The firm has experienced demand for their generators as shown below: Year Demand
discuss the nature and causes of the components of an economic time series?
1. Mention the characteristics of Statistics. Explain any two applications of Statistics.
The owner of Big Fish supermarket was reviewing some data from a research report on the type of advertisements in the local paper that are most effective. Three types of ads (big
i have data points of the form (x,y) of a cluster... I want to find variance nad standard deviation of this so dat i can decide which is a good cluster... so let me know how to do
1. It is often a good idea to start by visualizing the data. Time series data should have "time" on the horizontal axis. What are you going to have on the vertical axis? If you use
why should cofficient of variation be used to compare the dispersion?
The weight in Kg for each person was matched to their intake of fat per day in Grams. 9 people were selected with the following results. Weight (Xi) Fat (Yi) 45
A researcher is interested in characteristics of HIV+ and HIV- adolescents interviewed 166 young adults about their experiences during adolescence. He wished to know, among other
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