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a) Calculate a confidence intervals for p1 at 1% significance level. Mu= 395,625, SD=78,550. Are the confidence intervals overlapping ? Check all the necessary assumptions that are required to perform these calculations.
b) Calculate a confidence intervals for p2 at 1% significance level. Mu= 394,893, SD=73,377. Are the confidence intervals overlapping ? Check all the necessary assumptions that are required to perform these calculations.
c) Construct now the 95% confidence interval for the difference p1-p2. Could you conclude that p1 and p2 are different ? Explain your answer.
Customers bought 5 times as many boxes of light bulbs as switch plates. How many of each did Light Bright Warehouse sell?
Sketch and upload the density function for the random variable Y. Be sure to label your axes and provide values on the axes.
What is the probability of selecting a value at random and discovering that it has a value of less than 395 pounds?
the following question was put on a questionnairewhat was your last salary?a 0 -10000b 10001 - 20000c 20001 - 30000d
1. each supplier is rated on a 10-point scale 10 highestfor four different criteria price quality delivery and
Also find information about blood donations and the percentage of each type donated. How do the charts compare? Why is the collection of type O blood so important?
The data is based on 214 children with acute otitis media who participated in a randomized clinical trail each child had OME at the beginning of the study in either one or both ears and was randomly assigned to receive a 14 day course of one of tw..
In this research report you will be analysing a set of data of which can be found in an EXCEL file available for download in the Assessment section of the Blackboard site.
Explain the difference between a logarithm of a product and the product of logarithms and give examples of each.
Conduct necessary analyses using SPSS so you can answer the questions for the problem, "Three Group MANOVA," at the end of Chapter 10B.
Find a research article and clearly define both the null and directional hypothesis that was or could have been tested during the statistical analysis of the data.
Using the Poisson approximation, what is the probability that three or fewer students will drop out of a random group of 200 entering students?
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