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Is it possible to run both test for the same experiment? If so how or what situation would warrant such action?
Obtain a 95% confidence interval for the mean monthly rent for two-bedroom apartments. Assume that measurements are normally distributed. Round to two decimal places.
A researcher want to estimate the mean shoulder height of both male and female bears within 0.25 centimeters. Determine the minimum sample size required to construct a 99% confident interval
On average, 8% of the subscribers respond to the survey. Of the 8% who respond, an average of 53% say they will renew. What is the Population and the Sample to this problem.
A corporation owns a factory that produces sulfuric acid. Because of changing conditions, the plant's output is quite variable. The company's president has observed that the output is normally distributed with a mean of 8,200 pieces per hour.
The 47 students on a computer studies course each recorded the number of whole minutes, x, spent surfing the internet during a given day. Find the standard deviation SD = σx
Based on the sample findings, estimate the true mean of Saturday sales with 90% probability.
as the number of degrees of freedom for a t distribution increases the difference between the t distribution and the
Your regional manager is impressed with how you've employed spreadsheets to aid your small company in saving time and more accurately figuring out payroll amounts.
In a sample of 450 students from different countries, we found that the number of students in private school in that sample was 50 students.
in boston record game fishes it is stated that in the cozumel region approximately 40 of strikes while trolling result
Construct and interpret 90 percent on confidence interval for the mean. Be sure to interpret the meaning of this interval.
in the last quarter of 2007 a group of 64 mutual funds had a mean return of 1.2 with a standard deviation of 6.5.
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