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2025 NSG 522 Mid-Term Exam New Latest Version with All Questions from Actual Exam and 100% Correct Answer $26.99   Add to cart

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2025 NSG 522 Mid-Term Exam New Latest Version with All Questions from Actual Exam and 100% Correct Answer

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2025 NSG 522 Mid-Term Exam New Latest Version with All Questions from Actual Exam and 100% Correct Answer

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  • August 12, 2024
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  • 2025 NSG 522
  • 2025 NSG 522
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2025 NSG 522 Mid-Term Exam New Latest Version
with All Questions from Actual Exam and 100%
Correct Answer
The mean is the number in the middle of the observations, when the observations are arranged
from smallest to largest. ----------- Correct Answer ---------- False

The best way to determine whether data are normally distributed is to
A. Construct a box and whisker plot with turkey fences
B. Construct a histogram
C. Perform a shapiro-wilk test
D. Perform a test for outliers ----------- Correct Answer ---------- C. Perform a shapiro wilk test

A study can only have one dependent variable ----------- Correct Answer ---------- False

Which of the following can be determined from a Spearman correlation coefficient and its
associated with p-value? SELECT ALL THAT APPLY

Statistical significance
Risk of a type 2 error
Strength of the relationship
Direction of the relationship ----------- Correct Answer ---------- Statistical significance
Strength of the relationship
Direction of the relationship

Which of the following are parametric tests? SELECT ALL THAT APPLY

- repeated-measures ANOVA
- Paired t-test
- McNemar test
- Pearson Correlation coefficient
- Wilcoxon signed-rank ------------ Correct Answer ----------- repeated-measures ANOVA
Paired t-test
Pearson

When comparing hemoglobin A-1C measurements that are normally distributed with no outliers
in 2 independent groups, use which of the following tests?

A. Fisher exact
B. Pearson correlation
C. Independent t-test
D. Kruskal-Wallis ANOVA ------------ Correct Answer ----------- Independent t-test

T/F The interpretation of a p-value varies depends on what statistical test was used to obtain the

,p-value. ------------ Correct Answer ----------- False

Which of the following can be determined from a Spearman correlation coefficient and its
associated p-value? SELECT ALL THAT APPLY

- statistical significance
- risk of a type 2 error
- strength of the relationship
- direction of the relationship ------------ Correct Answer ----------- - statistical significance
- strength of the relationship
- direction of the relationship

Which of the following are non-parametric tests? SELECT ALL THAT APPLY

- Chi-square
- Dependent t-test
- Spearman
- One-way analysis of variance
- Mann-Whitney ------------ Correct Answer ----------- - Chi-square
- Spearman
- Mann-Whitney

A researcher studies the relationship between hours of television watching and BMI. The
correlation coefficient is 0.35. This relationship is:

A. moderate inverse
B. weak positive
C. strong positive
D. moderate positive ------------ Correct Answer ----------- D. moderate positive

Which of the following would be reasons to use a non-parametric test? SELECT ALL THAT
APPLY

- interval data
- Shapiro-Wilk value of 0.010
- presence of one small outlier
- normal distribution
- nominal data ------------ Correct Answer ----------- - Shapiro-Wilk value of 0.010
- presence of one small outlier
- nominal data

Which of the following are nonparametric tests? SELECT ALL THAT APPLY

Chi Square test
Dependent t test
Spearman correlation coefficient

,One-way analysis of variance
Mann-whitney test ----------- Correct Answer ---------- Chi-square test
Spearman correlation coefficient
Mann-Whitney test

A researcher studies the relationship between hours of television watching and BMI. The
correlation coefficient is .35 which indicates

A moderate inverse relationship
A weak positive relationship
A strong positive relationship
A moderate positive relationship ----------- Correct Answer ---------- A moderate positive
relationship

Which of the following would be reasons for using a nonparametric test? SELECT ALL THAT
APPLY


interval level data
Shapiro-wilk test p-value of 0.010
Presence of one small outlier
Normal distribution
Nominal level data ----------- Correct Answer ---------- Shapiro-Wilk test p-value of 0.010
Presence of one small outlier
Nominal level data

Pearson correlation coefficient can be positive or negative ----------- Correct Answer ----------
True

The best test to use when testing for a relationship between 2 dichotomous, independent
variables would be a

McNemar Test
Chi-square test
Independent t-test
Fisher Exact test ----------- Correct Answer ---------- Fisher Exact test

In a box and whisker plot, the length of the box is equal to the
Midrange
Epidemiological range
Statistical range
Interquartile range ----------- Correct Answer ---------- Interquartile range

The mean is the arithmetic average of the observations ----------- Correct Answer ---------- True

What percentage of observations fall within +/- 2 standard deviations of the mean?

, 25%
50%
68%
95%
99% ----------- Correct Answer ---------- 95%

The validity of a weight measurement obtained with an electronic scale refers to the repeatability
of the measurement ----------- Correct Answer ---------- False

The quality of life is measure on a scale of 1 (extremely poor quality) to 5 (best possible quality).
The best graphic display of these measurements would be a

Bar chart
Stem and leaf plot
Box and whisker plot
Histogram ----------- Correct Answer ---------- Histogram

What percentage of scores fall between the first and third quartile?

25%
50%
68%
75%
100% ----------- Correct Answer ---------- 50%

When analyzing the variable gender, which was measured in 5 categories- the data should be
displayed using a

histogram
box and whisker plot
pie chart
bar chart
line chart ----------- Correct Answer ---------- bar chart

a variable was coded as disease present, disease not present, or disease status unknown. When
performing the descriptive statistics, which of the following should be used? SELECT ALL
THAT APPLY

Median
Percentages
Proportions
Frequencies
Mode ----------- Correct Answer ---------- Percentages
Frequencies

A student conducting a quality improvement project on a unit in the university hospital where the

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