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1. Using the data from the previous exercise, repeat the calculations by applying the deviation score method; however, assume that the data are for a finite population.
2. Assume you have the following datasets for a sample: {3, 3, 3, 3, 3}; {5, 7, 9, 11}; {4, 7, 8}; {33, 49}
a. Compute S and S2.
b. Describe the results you obtained.
Is the dependent variable discrete or continuous? interval, or ratio) is used to measure the dependent variable?
rolling dice 25 times gives the below results. using your results find the relative frequency for each of the values 2
The shell thicknesses of the eggs produced by a large flock of hens follow approximately a normal distribution with mean equal to 0.38 mm and standard deviation equal to 0.03 mm. Find the 95th percentile of the thickness distribution.
Failure testing of a steel alloy resulted in the following S-N curve:N=(1.23*10^28)S^-14.85
a researcher is interested in estimating the average salary of police officers in a large city. she wants to be 99
sports authority conducted a research about the demographics of their customers. for the study they collected data
Estimate of the population mean for all workers at the company. Unknown to you, the sampling distribution of the sample mean has an average value of 4.8.
the registrar of a large university knows that 30 of the students come to college with credit for an advance placement
A snack food manufacturer selected a sample of 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and the sample standard deviation is 0.15
The inspector samples 12 cases at random, and subsamples 3 cans randomly from each selected case. Estimate the total number of worm fragments, along with a 95% confidence interval.
The winning team's scores in 9 high school basketball games were recorded. If the sample mean is 9.8 points and the sample standard deviation is 0.15 points, find the 98% confidence interval of the true mean.
a simple random sample of 47 adults is obtained and each persons red blood cell count in cells per microliter is
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