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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?
Definition of brokerage is termed as a fee paid to a broker for services. BROKERAGE is a fee which is paid to the broker for his/her services to act as an intermediary between the
I have 8 problems that I need help with. I will need to upload the files. Thanks
Would there be a possibility to use the correlation coefficient to identify collocations? Compare with the Chi2 test. • How could we maybe do that?
We find the correlation coefficient and plot the scatter plot using excel as follows: Time in Waiting Room Heart Rate
Give certain creative assignment for freshers of accounting
what is the form of the answers in probability? in decimal? in fraction? or what?
Consider the sample data for plants A, B, C & D of the above company, which are tabulated in table 1. Test whether the four means are equal at the 5% level of significance. Perform
1. MMC's CEO, Dr. Warren A. Beatty (Not the actor) believes that the demand trend for MMC is essentially linear. Thus, he wishes to determine if linear regression would be an effec
can we polarize sunlight by the help of Polaroid disc?
To examine a program for educating health professionals in a sports injury clinic about the importance of keeping detailed medical records, a researcher does a controlled trial i
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