Find the standard error of sample mean
If random samples, each with n = 4 scores, are selected from a normal population with MK = 80 and o=10, then the distribution of sample means would have a standard error of __________ .
1. 2.5 2. 5 3. 10 4. 80
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At the starting of October, Nirvana Carting had total assets of $86,000. During October, Nirvana had the following transactions: Collected the opening receivables balance of $17,400.
The mean life of a battery used in a digital clock is 305 days. The lives of the batteries follow the normal distribution. The battery was recently modified with the objective of making it last longer. A sample of 20 of the modified batteries had
The return on common stockholders' equity is calculated by dividing?
When a random sample is selected from a population, the sample mean is not expected to be exactly equal to the population mean.
An automotive repair shop has determined that average service time on the automobile is 2 hours with the standard deviation of 32 minutes. A random sample of 64 services is chosen.
If random samples, each with n = 25 scores, are selected from a normal population with u, = 80 and a = 20, and the mean is calculated for each sample, then an average distance between M and u would be.
h of the following is an example of a fixed asset?
A population has the mean of 180 and the standard deviation of 24. A sample of 64 observations will be taken. The probability that the sample mean will be between the 183 and 186 is
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