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The number of girls who attend a summer basketball camp has been recorded for the seven years the camp has been offered. Use exponential smoothing with a smoothing constant of .8 to forecast attendance for the eighth year.
47, 68, 65, 92, 98, 121, 146
At 5% level of significance, does this sample prove violation of guideline that average patient must pay no more than $250 out of pocket?
Either summarize your design or give an appropriate layout with table.
Suppose it costs $2,500 to buy a defibrillator. Find the expected value of owning a defibrillator if there is a 4% probability that "Silver's Gym" will lose a lawsuit regarding its operation, with each lawsuit resulting in "Silver's Gym" being lia..
Use the population standard deviation along with the sample mean, S, and find a 92% confidence interval for the population mean. Is the true population mean contained in this interval?
Create raw score predictions on criterion variable for persons with Z scores on predictor value of -2,-1,0,+1,+2.
An experiment consists of making 80 telephone calls in order to sell a particular insurance policy.
If the same sample results had been obtained from a random sample of 16 students, could the students' claim be accepted at a lower level of significance?
Determine point estimate of population mean? By using 90% confidence, determine the margin of error?
Whenever the calculated value of t is equal to or greater than the tabled value of t, for a given number of degrees of freedom, then
Using one proportion z test to find whether or not to support the claim - There is little evidence to reject H 0 , therefore they conclude the tvs are 20 pounds on average.
At the 0.05 level of significance, is there sufficient reason to believe that the integers are not being generated uniformly?
Twelve doctor's offices were given 3 lab inspections with the following results:
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