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1. In your own words explain the difference between a point estimate and an interval estimate of a parameter? Which is better? Why?
2. What information is necessary to calculate a confidence interval? Is the size of the population relevant when one is determining the sample size for a confidence interval? What is necessary to determine the sample size?
3. A researcher is interested in estimating the noise levels in decibels at area urban hospitals. He wants to be 90% confident that his estimate is correct. If the standard deviation is 4.8, how large a sample is needed to get the desired information and to be accurate within 0.65 decibels?
What is Degrees of Freedom : While comparing the calculated value of X2 with the table value we have to determine the degrees of freedom. By degrees of freedom we mean the number
fundamentals of cost accounting 17-33 excel template
what is the difference between HISTORIGRAMS and HISTOGRAMS?
if a series of three observations has a mean andd median of 4 and mean absolute deviation of 4/3. what is the series
I have statistic assignment can do it at 2.30 H, because I don''t have time
You are working for the management of ESK Jewellery as a marketing consultant. The main business of ESK Jewellery is the retailing of diamond jewellery. They opened their first sho
difference betwen histogram and historigram
Balance of Payments, Mobility of Labor and Capital, Trade and Wages Balance of Payments 1. Will a country running a trade deficit import or export capital? Explain. 2.
meanings of statistics by different authors and importance of statistics in the field of Education
pie charts
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