NSG 522 EPIDEMIOLOGY AND BIOSTAT EXAM 1
NSG 522 EXAM 1 2025/2026 BANK COMPLETE
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) / /
EXPERTLY CRAFTED AND VERIFIED FOR
GURANTEED PASS / BRAND NEW LATEST
UPDATE!!!
When comparing pain scores measured on a scale from 1 to
10 in the same patients before and after receiving a new
pain medications, the researcher should use which of the
following tests? - ....ANSWER...A Wilcoxon signed-rank
test
1
,True or false: The null hypothesis always states that there
is no relationship between the variables or differences
between the groups. - ....ANSWER...True
What type of error does a small sample size increase the
risk for? - ....ANSWER...Increases the risk of a type 2
error
True or false: Only p-values <.05 or >.95 are considered to
be statistically significant. - ....ANSWER...False
What type of sample would provide the best
representation of a population? - ....ANSWER...A simple
random sample
True or false:
The 95% confidence interval for the mean of a set of
observations indicates that 95% of the observations fall
within the confidence interval. - ....ANSWER...False
A clinical nurse specialist on an inpatient unit compares
two interventions for reducing the number of medication
errors. A statistical test comparing the number of errors in
2
, each group yields a p-value of 0.50. This p-value indicates
that... - ....ANSWER...There is not a statistically
significant difference between the groups.
Differences between a sample and the actual population
that are due to chance are known as... -
....ANSWER...Sampling error
A nurse researcher compares two interventions for
preventing catheter-associated urinary tract infections
(CAUTI) in an academic medical center. A statistical test
comparing the number of infections in the two groups
yields a p-value of 0.01. This p-value means that... -
....ANSWER...There is a statistically significant
difference between the groups.
A p-value 0.50 from a Spearman Correlation Coefficient
would indicate that there is... - ....ANSWER...Not a
statistically significant relationship between the variables.
An analysis of variance results in a p-value of 0.50. The
researcher should conclude that... - ....ANSWER...There is
not a statistically significant difference between the groups.
3
NSG 522 EXAM 1 2025/2026 BANK COMPLETE
QUESTIONS WITH DETAILED VERIFIED
ANSWERS (100% CORRECT ANSWERS) / /
EXPERTLY CRAFTED AND VERIFIED FOR
GURANTEED PASS / BRAND NEW LATEST
UPDATE!!!
When comparing pain scores measured on a scale from 1 to
10 in the same patients before and after receiving a new
pain medications, the researcher should use which of the
following tests? - ....ANSWER...A Wilcoxon signed-rank
test
1
,True or false: The null hypothesis always states that there
is no relationship between the variables or differences
between the groups. - ....ANSWER...True
What type of error does a small sample size increase the
risk for? - ....ANSWER...Increases the risk of a type 2
error
True or false: Only p-values <.05 or >.95 are considered to
be statistically significant. - ....ANSWER...False
What type of sample would provide the best
representation of a population? - ....ANSWER...A simple
random sample
True or false:
The 95% confidence interval for the mean of a set of
observations indicates that 95% of the observations fall
within the confidence interval. - ....ANSWER...False
A clinical nurse specialist on an inpatient unit compares
two interventions for reducing the number of medication
errors. A statistical test comparing the number of errors in
2
, each group yields a p-value of 0.50. This p-value indicates
that... - ....ANSWER...There is not a statistically
significant difference between the groups.
Differences between a sample and the actual population
that are due to chance are known as... -
....ANSWER...Sampling error
A nurse researcher compares two interventions for
preventing catheter-associated urinary tract infections
(CAUTI) in an academic medical center. A statistical test
comparing the number of infections in the two groups
yields a p-value of 0.01. This p-value means that... -
....ANSWER...There is a statistically significant
difference between the groups.
A p-value 0.50 from a Spearman Correlation Coefficient
would indicate that there is... - ....ANSWER...Not a
statistically significant relationship between the variables.
An analysis of variance results in a p-value of 0.50. The
researcher should conclude that... - ....ANSWER...There is
not a statistically significant difference between the groups.
3
