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A psychologist is working with a large group of schizophrenic patients and would like to divide them up into groups in order to make his work easier. He feels that it is bet to divide them up by symptom severity in order to better serve the patients. He gives each patient a battery of tests to evaluate which group each patient should be in. He then gives them one single composite score that he labels symptom severity. He notices that the scores are normally distributed, so he decides to divide the distribution into 3rds based on z-scores. The mean of the distribution is 32.45 with a standard deviation of 5.43. He wants to break the group up into a lower 3rd, middle, 3rd and upper 3rd. What raw scores would he use as the dividing point between the three groups? (HINT: there should be two scores)
If the liquidity premium theory of the term structure of risk-free rates holds, what is the liquidity premium for year 2, L2?
use the atar model to determine the potential market share for a product concept assuming that it will achieve a trial
determine if the following data set is a population or a sample the average electric bill for the 50 united states and
A 35-year-old man with HIV complains that he has had a "bad" taste in his mouth and discoloration of his tongue for the past 6 weeks.
The risk of getting lung cancer at some point in one's life for men who have never smoked is about 13 in 1000. The risk for men who smoke is just over 13 times.
q1. explain the difference between multiple independent variables and multiple levels of independent variables. which
A trucking firm suspects that the mean lifetime of a certain tire it uses is less than 35000 miles. To check the claim the firm randomly selects and test 54 of these tires and gets a mean lifetime of 34,570
Describe the sampling distribution of in this situation, including its mean and standard deviation.- Define the parameter of interest in the context of this situation. Use appropriate notation.
four different kinds of radar systems designed to detect or monitor the airspace around a major airport for high flying
1. Enter missing data. 2. Merge and center cells above the table and then enter the table title. 3. Use the cell borders tools to put gridlines around each cell.
Consider the following two columns that describe different types of data: A. Nominal 1. Qualitative B. Discrete 2. Quantitative C. Ordinal D. Continuous. The correctly paired groupings of the two columns is:
What is the competitive equilibrium price per ride? What is the equilibrium number of rides per day? What is the minimum number of taxi cabs in equilibrium?
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