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The following table shows the risk-adjusted Acute Myocardial Infarction (AMI) inpatient mortality for 10 different hospitals in 2009:What is the benchmark risk-adjusted AMI inpatient mortality?
A healthcare quality professional is reviewing data with a wide range of values between the highest and lowest points. The BEST way to rank order is using a
The method of ordering data by listing all possible values, and all individuals receiving each value, is called
The average between the highest and lowest measures is the
The most accurate measure describing the amount of variability in a distribution is the
When comparing averaged immunization data from two pediatric medical groups, it is appropriate to use
The distance from the lowest to the highest value in a frequency distribution of wait times in the Emergency Department is the
Inpatient length of stay (LOS) is the number of days, including the day of admission and excluding the day of discharge. What data elements are essential in order to calculate the average length of stay for simple pneumonia patients for 1st quarter, this year?
Measures of central tendency include:
In a normal probability distribution, the relationship among the median, mean and mode is that:
The Body Mass Index (a measure of body fat) was measured in a group of women attending a primary care clinic. The graph below summarizes the results. Which of the following measures best summarizes the data?
As a result of the customer survey the mean score was calculated with each item. Weight was applied to range each item in order to importance to the customer which of the following the highest weighted mean score:
The utilization management committee is reviewing length-of-stay data for a particular procedure. In comparing data by physician, which of the following statistics will be most useful?
A t-test may be used to
Which of the following is used to summarize a characteristic in a population?
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