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The 4 students represent the population A. find the mean and standard deviation b.
find the mean of the sample means c.
find the sample error of the mean if the sample size is 3. d.
find the probability the sample mean will be less than 4.67 e.
find the probability the sample mean will be more than 4.33 f.
find the probabilty the sample mean will be more than 4.33 but less than 4.67
Using the below exhibit formulate a statistical hypothesis appropriate for the consumer group's purpose, and then calculate the mean average miles per gallon. Compute the sample variance and sample standard deviation
A recent survey reported in Business Week dealt with the salaries of CEOs at large corporations and whether company shareholders made money or lost money.
the mean score on a physical fitness test for division i student-athletes is 947 with a standard deviation of 205. if
Determine the mean, median, and mode for data set: 12.75, 18.32, 19.41, 12.75, 18.30, 19.45, 19.33
Based on a simple random sample of one hundred an analyst estimates the average hourly wage earned by workers in a city to be $30 and computes the margin of error to be $5. Can we conclude from this that most workers there earn between $25 and $35..
Explain the notion of hypothesis testing. What is the general process that one should follow in conducting a hypothesis test?
A ball is drawn, and then it and another ball of the same color are placed back in the urn. Finally, a second ball is drawn. What is the probability that the second ball drawn is white?
a box contains ten tickets four marked with a positive number and six with a negative number. all the numbers are
A self proclaimed psychic was tested with 100 cards face downand asked to determine what symbol, out of 5 possible symbols the card hado n it. How many would this person need to get right for us to be convinced at the 99% level tha t this person is a..
Test whether the mean rate is less than 6%. Use P-value approach.
at a large university it is known that 50 of the students live on campus. the director of student life is going to take
1.last week john quinn sat back in a chair with his feet on his deck and nodded at his wife kate. they had just
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