1.
Which of the following measures of central tendency is most affected by extreme values?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
2.
In
which of the following measures of central tendency do one‐half of the
observations fall above and one‐half of the observations fall below?
A) B)
C)
D)
Feedback: The correct response is median.
| Points Earned: | 0.0/10.0 | |
| Correct Answer(s): | B | |
3.
We
have conducted a t‐test to determine if the hospital mean for DRG XXX is
significantlydifferent from the population mean for DRG XXX. The
calculated t is –3.39 and the critical t is – 1.96. In this case we:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
4.
Match the terms and definitions.
| A. mean |
| B. median |
| C. mode |
| D. range |
| E. measures of central tendency |
| F. bell curve |
| G. t-distribution |
| Points Earned: | 50.0/50.0 | |
| Correct Answer(s): | mean:The arithmetic average; affected by extreme values., median:The center of the distribution. , mode:The value that occurs most frequently in the data., range:The difference between the smallest and largest values in a sample., measures of central tendency:They typical value that can be used to describe the population., bell curve:The shape of the normal distribution; it peaks at the average., t-distribution:The width of the bell-shaped curve is determined by the degrees of freedom. | |
5.
The
null hypothesis that the mean time it takes insurance companies to
comply with newregulations is 4 months is rejected in favor of an
alternative hypothesis that it takes longer than 4 months. However, the
population mean is 4 months. What type of error is this?
A) B)
C)
D)
Feedback: The correct response is Type I error.
| Points Earned: | 0.0/10.0 | |
| Correct Answer(s): | A | |
6.
The term ANOVA means
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
1.
If
the test statistic for testing the null hypothesis that the correlation
between patient height and weight is 2.89 based on a sample of size 30
with an alpha of 0.05. What should the analyst conclude?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
2.
If
the hypothesis that a correlation coefficient is equal to zero cannot be
rejected with a sample size of 10, would the hypothesis be more or less
likely to be rejected with a sample size of 100 and the same sample
correlation value?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
3.
If
an analyst wishes to predict future ancillary charges for hip
replacement patients based on the age of the patient, which of the
following is a correct statement?
A) B)
C)
D)
Feedback: The correct response is age is the independent variable; ancillary charges is the dependent variable.
| Points Earned: | 0.0/10.0 | |
| Correct Answer(s): | B | |
4.
Your
facility is engaged in a research project concerning patients newly
diagnosed with type II diabetes. The researchers notice that older
patients have a longer length of stay than younger patients. They have
seen a:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
5.
If
the correlation between years of experience and salary is positive, what
can you conclude about the slope of a regression line that might be fit
to describe the relationship?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | C | |
1.
If
an analyst divides the population into groups and randomly selects
groups to make up thesample, then the sampling technique used is?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
2.
A
sample of medical records is selected by randomly selecting all records
from hospitals selectedat random. What type of sampling is this?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
3.
Which
sampling technique includes dividing the population into subsets and
randomly selecting asample of the members of each subset?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | D | |
4.
The inclusion and exclusion criteria for a study is used primarily to determine the:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | D | |
5.
You
are conducting a patient satisfaction survey in an outpatient clinic.
Because you typically seeabout 300 people per day in the clinic, you
decide to have the interviewers administer thequestionnaire on every
tenth patient. You are using:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
6.
Which of the follow attributes is required for a sample to be statistically valid?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
7.
An
analyst wishes to determine the amount of time coders require to code
inpatient records. Shesamples all records from 10 randomly selected
dates. This is an example of
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | C | |
8.
In order to increase the precision of a confidence interval and leave the confidence level the same,the sample size must be:
A) B)
C)
D)
Feedback: The correct response is larger.
| Points Earned: | 0.0/10.0 | |
| Correct Answer(s): | A | |
9.
If
an analyst is studying the wait times at a clinic and the only list of
patients available is hardcopy, which sampling technique is the easiest
to use?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
10.
A sampling technique that divides the population into subsets and then selects a random samplewithin each subset is called:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
1.
In general a hospital’s CC/MCC capture rate should be related to the CMI in which of thefollowing ways?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
2.
Which of the following situations might result in a compliance audit?a. b. c. d.
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
3.
Which of the following classification systems is driven entirely by procedure coding?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | C | |
4.
What is the key difference between APCs and DRGs?
A) B)
C)
D)
Feedback: The correct response is a claim can have more than one APC and only one DRG.
| Points Earned: | 0.0/10.0 | |
| Correct Answer(s): | D | |
5.
Which of the following classification systems is used in the hospital outpatient setting?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | A | |
6.
RVUs are used as the basis of Medicare payment for which type of provider?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | C | |
7.
If
My Town Family Practice is looking for a way to justify higher
compensation for thephysicians that provide the highest level of
resource intensity, which of the following metrics isthe most
appropriate?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
8.
The acronym CMI is defined to be:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
1.
The only source of national-level pediatric data is the:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
2.
A data collection program that is administered by AHRQ is:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | D | |
3.
A report that displays key performance indicators is called a:
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
4.
Which data collection program measures the performance of health plans?
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
5.
30-day mortality rates are considered a(n):
A) B)
C)
D)
| Points Earned: | 10.0/10.0 | |
| Correct Answer(s): | B | |
