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Suppose a simple random sample of size 43 is selected from a population with sigma = 8. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate)
The population size is N = 50,000 (to 2 decimals).
The population size is N = 500 (to 2 decimals).
Would the null hypothesis be accepted or rejected in this case?
Large non-normal population with a mean of 10 and variance of 16, what would be the mean, variance, standard deviation and shape of the distribution of sample means? Give reasons for your answers.
Some defendants in criminal proceedings plead guilty and are sentenced without a trial, whereas others who plead innocent are subsequently found guilty and then are sentenced.
How to determine the sample size for comparing mulltiple parameters like Height , weight, Blood pressure ,Blood parameters like blood glucose, total cholesterol, etc in two different populations?
Would you recommend test- ing H0 : m = 5 versus Ha : m> 5 or H0 : m= 5 versus Ha : m
in a study entitled how undergraduate students use credit cards it was reported that undergraduate students have a mean
What is the probability that sara will die in her 60th year? using this probability and the $50,000 death benefits, what is the expected loss?
Here are numbers of right identifications by 24 children in Active group: 24 children in Passive group had these counts of correct identifications: Is there good evidence which active learning is superior to passive learning?
There is a worker error is 0.3, and the probability that an accident will occur when there is no worker error is 0.2. Find the probability of a worker error if there was an accident.
a) Draw the scatter diagram. Does it appear that x and y are related? If so, how? b) Test to determine whether there is evidence of a linear relationship.
A recent study of breast cancer revealed that 13% of the women in the sample used antibiotics more than 500 days in their lifetime.
What characteristic (or property of random samples) could be observed during the sampling process?
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