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A pharmaceutical company found that 46% of 1000 U.S. adults surveyed knew neither their blood pressure nor their cholesterol level.
Assuming the persons surveyed to be a simple random sample of U.S. adults, construct a 95% confidence interval for π = the population proportion of U.S. adults who would have given the same answer if a census had been taken instead of a survey.
perform hypothesis tests. please label the test statistic you found t value z value or chi square and the value. for
Calculate the mean, median, and standard deviation for ounces in the bottles. Construct a 95% Confidence Interval for the ounces in the bottles.
List the constraint(s) that are not binding and interpret their slack/surplus variable(s). What does it mean that the right-hand side range of constraint 2 has no upper limit?
Study is conducted as to whether there is relationship between joggers and consumption of nutritional supplements.
Explore the descriptive statistics and draw some scatter plots. Does this meet the basic assumptions of regression?
At.05 level of significance, is there evidence to propose that mean life length of batteries produced by this manufacturer is more than 400 hours?
A central university has a student population of 60,000. The university is interested in determining what proportion of them is in favour of a new grading system.
which of the following could not be the value of a correlation
use the sign test to test the indicated claim.a researcher wishes to study whether music has any effect on the ability
Discuss the ability of the process to meet the customer's specifications. Also, if the customer seeks Six Sigma compliance, what are your recommendations?
What is the sensitivity of the test and what is the specificity of the test - What is the PV+ of the test?
Assume we interested in relationship between the age of individual, as measured by visits. Suppose after selecting 15 members the observation:
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