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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 an irrevocable letter of credit? A permanent mail of credit score is a financial instrument used by banks to guarantee a customer's obligations to a supplier. It is perm
Introduce the aim of this section of the report including an explanation of the data to be analysed. • Use Excel to produce a box and whisker plot for the two sets of booking data
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The company acquired 50000 8% preferencd shares (with a par value of R4 each) in cross limited on 30 june 2006 for R180000.transaction costs at the acquisition date amounted to R12
Consider an economy specified by the following: Y = PE = C + I + G + NX (Income identity) C = 400 + 0.9YD
What is Appropriation A legal endorsement for an organization to make expenses for particular requirements from particular options available or approximated to be available durin
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1. Calculate Karl Pearson’s coefficient of correlation between expenditure on advertising (X) and sales (Y) from the data given below: The management decided to stop further expens
when testing hypothesis is the level of significanc the type error I?
Explain the Attribute Accounting Planning the accounting on foundation Producing, Explanation and outlining for customers is an art and if we consider as per technology, the sig
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