Nsg 522 Midterm Exam And Final Exam 2024 | All Exam Questions And
Correct Answers | Graded A+ | Verified Answers
The frequency and relative frequency presented as a percentage should both be reported when
describing interval level data - (CORRECT ANSWER)False
What type of graphic display would be the best for a variable measured at the ordinal data? - (CORRECT
ANSWER)Histogram
The operational definition of a variable - (CORRECT ANSWER)Specifies how a variable should be
measured
The epidemiological range is - (CORRECT ANSWER)the minimum and maximum values
When reporting the mean for a variable, what measure of spread should be reported? - (CORRECT
ANSWER)The standard deviation
clinical data conducted can be shared to a cloud for all involved researchers to share/view - (CORRECT
ANSWER)false
The dependent variable - (CORRECT ANSWER)the outcome variable
Outliers can be identified using a (SELECT ALL THAT APPLY)
a. Box-and-whisker plot with Tukey Fences.
b. Histogram.
d. Stem-and-leaf plot.
e. Bar chart.
f. Any/all of the above - (CORRECT ANSWER)A. Box and whisker plot with Turkey fences
The most frequently occurring number in a set of numbers is the
1
,a. Median
b. Mode.
c. Midrange
d. Frequency
e. 50th percentile - (CORRECT ANSWER)b. mode
The decision to use the mean or median is based upon (Select all that apply)
A. Whether the data are normally distributed
b. Which statistical tests will be used for hypothesis testing
c. The presence or absence of outliers
d. The guidelines of the journal where the data will be published - (CORRECT ANSWER)A. Whether the
data are normally distributed
B. The presence or absence of outliers
When a continuous variable has a normal distribution and only 1 small outlier, the mean and standard
deviation should be used to describe the variable - (CORRECT ANSWER)False
Match the following variables to the correct level of measurement (A. Interval, B. Nominal, C. Ratio, D.
Ordinal)
Temperature in Fahrenheit
Presence or Absence of disease
Weight in ounces
Race
Quality of life (1-5)
Hemoglobin A1C
Time in Minutes
Level of education
2
, Oxygen Saturation
Blood type - (CORRECT ANSWER)Temperature in Fahrenheit- A. Interval
Presence or Absence of disease- B. Nominal
Weight in ounces- C. Ration
Race- B. Nominal
Quality of life (1-5)- D. Ordinal
Hemoglobin A1C- C. Ratio
Time in Minutes- C. Ratio
Level of education- D. Ordinal
Oxygen Saturation- C. Ratio
Blood type- B. Nominal
A conceptual definition defines how a variable will be measured, and includes the equipment and
procedures that are used in the measurement - (CORRECT ANSWER)False
Testing a new piece of equipment to ensure that the equipment consistently provides that same
measurement when the same variable is measured multiple times is an example of
Accuracy
Validity
Reliability
All of the above - (CORRECT ANSWER)Reliability
Bar charts and histograms can both be used to describe interval level data - (CORRECT ANSWER)False
All studies need appropriate permission to examine data - (CORRECT ANSWER)True
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Correct Answers | Graded A+ | Verified Answers
The frequency and relative frequency presented as a percentage should both be reported when
describing interval level data - (CORRECT ANSWER)False
What type of graphic display would be the best for a variable measured at the ordinal data? - (CORRECT
ANSWER)Histogram
The operational definition of a variable - (CORRECT ANSWER)Specifies how a variable should be
measured
The epidemiological range is - (CORRECT ANSWER)the minimum and maximum values
When reporting the mean for a variable, what measure of spread should be reported? - (CORRECT
ANSWER)The standard deviation
clinical data conducted can be shared to a cloud for all involved researchers to share/view - (CORRECT
ANSWER)false
The dependent variable - (CORRECT ANSWER)the outcome variable
Outliers can be identified using a (SELECT ALL THAT APPLY)
a. Box-and-whisker plot with Tukey Fences.
b. Histogram.
d. Stem-and-leaf plot.
e. Bar chart.
f. Any/all of the above - (CORRECT ANSWER)A. Box and whisker plot with Turkey fences
The most frequently occurring number in a set of numbers is the
1
,a. Median
b. Mode.
c. Midrange
d. Frequency
e. 50th percentile - (CORRECT ANSWER)b. mode
The decision to use the mean or median is based upon (Select all that apply)
A. Whether the data are normally distributed
b. Which statistical tests will be used for hypothesis testing
c. The presence or absence of outliers
d. The guidelines of the journal where the data will be published - (CORRECT ANSWER)A. Whether the
data are normally distributed
B. The presence or absence of outliers
When a continuous variable has a normal distribution and only 1 small outlier, the mean and standard
deviation should be used to describe the variable - (CORRECT ANSWER)False
Match the following variables to the correct level of measurement (A. Interval, B. Nominal, C. Ratio, D.
Ordinal)
Temperature in Fahrenheit
Presence or Absence of disease
Weight in ounces
Race
Quality of life (1-5)
Hemoglobin A1C
Time in Minutes
Level of education
2
, Oxygen Saturation
Blood type - (CORRECT ANSWER)Temperature in Fahrenheit- A. Interval
Presence or Absence of disease- B. Nominal
Weight in ounces- C. Ration
Race- B. Nominal
Quality of life (1-5)- D. Ordinal
Hemoglobin A1C- C. Ratio
Time in Minutes- C. Ratio
Level of education- D. Ordinal
Oxygen Saturation- C. Ratio
Blood type- B. Nominal
A conceptual definition defines how a variable will be measured, and includes the equipment and
procedures that are used in the measurement - (CORRECT ANSWER)False
Testing a new piece of equipment to ensure that the equipment consistently provides that same
measurement when the same variable is measured multiple times is an example of
Accuracy
Validity
Reliability
All of the above - (CORRECT ANSWER)Reliability
Bar charts and histograms can both be used to describe interval level data - (CORRECT ANSWER)False
All studies need appropriate permission to examine data - (CORRECT ANSWER)True
3
