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Suppose instead the data from problem 1 and 4 were taken on the same process, thus the data are no longer independent. You may use only the rst 6 observations in the second collection of data, the two sets of data are written here for clarity. What is the value of the test statistic with = 0:05 assuming the process means are the same?
1 2 3
4 5 10
1 1 1
1 2 0
e. The correct answer is not listed here
What is the mode and calculate the unbiased estimate for the population variance - estimate of the population variance of 9.2
There is an operator at the center who places 25 outgoing calls in a one-hour period. What is the probability that this operator will get live answers on 7 or more calls?
question 1 in a simple random sample from a population of several hundred thats approximately normally end of exam
If the researcher used an independent-measures design, then how many individuals were needed for the study and what are the df values for the F ratio?
In a sample of 49 adolescents who served as the subjects in an immunologic study, one variable of interest was the diameter of skin test reaction to an antigen.
jeff bollinger of prudential realtors has 20 residential listings under contract. the following table shows the number
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
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.
Use the central limit theorem to find the probability that the average number of moths in 30 traps is greater than 0.6. Give your answer to four decimal places.
If the service manager wants to 95% confident that the overall time is correctly estimated, with a 3 percent probability of error, what sample size should be taken.
If one of the 100 employees is randomly selected, find the probability of getting someone who carpools, someone who cycles to work, or someone who works part time.
compare the mean for the heights of males and the mean for the heights of females in these data. compare the values and
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