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Log transform a variable...
suppose strep resistance rates in all cities across the country are actually 0.05.a if samples are taken in a
You have to take this data and complete a regression analysis. Your assignment is to select a data set, complete the descriptive statistics and do a full regression analysis and write up conclusions and observations.
Our customers expect a call to be completed in 22 minutes. Using the data above, does either of our call centers meet this expectation with an alpha level of 0.05?
twenty students agreed to participate in a new type of learning program to increase their typing efficiency. it was
The average number of hours of sleep per night that a college freshman gets is 6.50 with a standard deviation of 1.80 hours. If 35 college freshmen are randomly chosen find the probability that they average at least seven hours of sleep per night.
suppose the service time in minutes at a bank has the exponential distribution with lambda 12. use the central limit
a negative relationship between two variables means that as the x variable increases the y variable
A real estate agent found that there is a significant relationship among the number of acres on a farm ( x 1), the number of rooms in the farmhouses ( x 2 ) , and the selling price in ten thousands ( y ) of farms in a specific area. The regression..
It is estimated that 2% of the athletes competing in a large tournament are users of an illegal drug to enhance performance. The test for this drug is 95% accurate. What is the probability that an athlete who tests positive is actually a user?
The distribution of the width of a standard piece of computer paper is normal with an expectation
We want to determine if the proportion of people in the population who believes this is less than 0.75. What is the p-value?
1. you are testing h0 mmean 10 against hammean lt 10 based on an srs of 23 observations from a normal population. the
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