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Peripheral neuropathy is a complication of uncontrolled diabetes. The num- ber of cases of peripheral neuropathy among a control group of 35 diabetic patients was 12. Among a group of 11 patients who were taking an oral agent to prevent hyperglycemia, there were three cases of peripheral neu- ropathy. Is the proportion of patients with peripheral neuropathy comparable in both groups? Perform the test at a = 0.05.
Dr Zak developed a test to measure depression. He sampled 100 university students to take his five item test. The group of students was comprised of 30 men and 70 women. In this group four persons were African American, six persons were Hispanic and ..
Open data file on your excel file AirlinePassengers . Point to the level of data (nominal, ordinal, ratio, or interval) measurement for each variable in data set. Notice tab for description gives information about data.
the following data represent the amount of sugar consumed in lbs. in a household during five randomly selected weeks.
find an equation of the parabola that has the indicated vertex and whose graph passes through the given point. vertex
Suppose a candidate running for sheriff claims that she will reduce the average of emergency response to less than 30 minutes. (30 minutes is thought to be the average response time with the current sheriff.)there are no past records, so the actual s..
Illustrate how critical values associate to the confidence interval using example variable. Explain how margin of error associates to confidence intervals and to ecology.
She has 95% confidence that the mean annual income of the 2 million customers is between $70,000 and $85,000. Explain the meaning of the statement.
cherry berry soda inc. claims that 15 percent of the population can identity its products. in efforts to boost their
The 7th degree polynomial x^7 - 3x^6 - 7x^4 + 21x^3 - 8x + 24 has a factor (x - 3). Divide x^7 - 3x^6 - 7x^4 + 21x^3 - 8x + 24 by x - 3 and thus:
a study is to be conducted on the proportion of u.s. citizens who believe the minimum wage should be raised. what is
Use a 0.01 significance level to test the claim that flights scheduled one day in advance cost more than flights scheduled 30 days in advance.
The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes.
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