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At the present we are able to fit continuous data with several different models. One way to check the adequacy of the fit is with a probability plot. Consider that following small data set consisting of five observations.
1.1 2.2 1.6 1.3 3
(a) Construct a probability plot for each possible model.
(b) Based on the plots in part (a), which model would you prefer? Explain.
(c) Fit the model you preferred (e.g., if you picked the exponential, exactly which exponential distribution would you use to describe the data?)
(d) Using the model in part (c), estimate the probability of obtaining a value from this population that is less than l.
Given that z is a standard normal random variable, compute the following probabilities.
if the null hypothesis that two means are equal is true where will 99 of the computed z-values lie between?a.
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Professor Brunner had students in his Marketing class rate his performance as Excellent, Good, Fair, or Poor. A graduate student collected the ratings and assured the students that Professor Brunner would not receive them until after the course gr..
the turners have purchased a house for 160000. they made an initial down payment of 30000 and secured a mortgage with
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Explain what the confidence interval represents in the context of the problem - Write down the regression equation?
in a sample of 80 workers from a factory in city a it was found that 8 were unable to read while in a sample of 50
Car A is known to have a maximum deceleration of 9.35 m/s2. How fast must car A have been going before its brakes were applied? Answer 97.5 km/h (27.1 m/s).
What is the value of the standard error of the mean? What is the value of the confidence coefficient for a confidence interval with the indicated confidence level?
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