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It is desired to estimate the mean LDL level of healthy males in the state of Ohio at the 99% confidence level to within a maximum allowable error of plus or minus 0.5 units. From prior studies of LDL levels, best known estimate of the population varianceof this measure is 12.4. How large a sample will be needed to obtain the required estimate?
Compute the correlation among the variables. Describe perfect correlation also negative correlation. Utilize the following data to answer questions related.
Based on the information above, estimate the mean and standard deviation of the weight of the pain killer in each bottle.
In considering doing a logistic regression using the Enter method, it was suggested that I may want to consider doing a sequential LSR or stepwise logistic regression instead.
What is the appropriate inferential statistical test for the case scenario? Why?
High principal has decided to give an award to any student who scores in the top 10% of statewide scores. How high should a student score be to win this award? Give your answer to the nearest integer.
ABC Corporation of California publishes a variety of statistics, including the number of individuals who got a new job during the past 12 months and the mean length of time the individuals have been on the job.
Suppose your instructor randomly surveyed his or her performance (i.e., students "graded" the teacher) over many years (assume an 'infinite' population). The frequency of ratings were as follows:
in a study of 23 criminals convicted of antitrust offenses the average age was 55 years with a standard deviation of
Three scholarships are available for students. Their values are: $2,000, $2,400, $3,000. Twelve students have applied and no student may receive more than one scholarship. Assume all twelve students are in needs of the funds, how many different..
hypothesis testing for correlation coefficient.the data in the file coffee drink represents the calories and fat in
Draw a scatter diagram. Based on the scatter diagram, does there appear to be any relationship between the number assemblers and production? Explain.
What is the pooled sample estimate of adult smokers in Alaska?
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