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"A correctional institution would like to report the mean amount of money spent per day on operating the facilities. How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars? The standard deviation is $400.
A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.
Explain your answer to someone who is familiar with the T test for a single sample, but not with the T test independent means.
Finding the value of test statistic utilizing two-tail 't' test also interpret the result. The Commercial Bank as well as Trust Company is studying the use of its automatic teller machines.
As we can say there is 5.5 percent chance of seeing the current policy having an effect on smog in the results we observed from natural sampling variation.
If the standard deviation of the amount of coffee dispensed is 0.4oz and the amount of coffee dispensed is normally distributed.
Suppose that the number of babies born during an hour at a hospital's maternity wing follows a Poisson distribution with a mean of 4 per hour.
Graphical method to solveout the linear programming problem. Describe where the following TEO constraints intersect.
What is the city mileage standard deviation for this SUV model?
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
A sample of approx 25 students enrolled in the university points out that X (bar) = $315.4 and s = $43.20.
Assume that the length X in minutes of a regular season NBA game is normally Distributed with X~N (µ X , σ 2 X );
Explain the terms parameter and statistics. Make sure the concepts of population and sample are included in the definitions.
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