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BS Nursing

5385 questions found

Practice Questions

189. A critical situational public health survey reports that “the average income in this region is $X.” However, the income distribution is highly skewed. What is the urgency for a biostatistician to advise using a different measure of central tendency?

A. To accept the mean as the best measure.
B. To urgently recommend using the median as a more robust measure of central tendency for skewed data to avoid misrepresenting the typical income.
C. To ignore the skewness.
D. To only use the mode.
nmdcat.online BS Nursing
Jun 6, 2026

190. What technical term describes the distribution of all possible sample means that could be drawn from a population?

A. Population distribution.
B. Sample distribution.
C. Sampling distribution of the mean.
D. Normal distribution.
nmdcat.online BS Nursing
Jun 6, 2026

177. A critical situational clinical trial reports that a new drug is effective but the outcome measure was assessed subjectively by unblinded clinicians. What is the urgency for a biostatistician to advise caution?

A. To immediately accept the results.
B. To urgently highlight the potential for observer bias and the need for objective outcome measures or blinded assessment to ensure validity.
C. To disregard the p-value.
D. To assume clinician assessment is always objective.
nmdcat.online BS Nursing
Jun 6, 2026

178. What technical term describes variables that can take on any value within a given range?

A. Discrete variables.
B. Nominal variables.
C. Continuous variables.
D. Ordinal variables.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

181. A critical situational public health agency is presented with a report claiming a strong correlation between two variables, but the scatter plot shows a highly non-linear relationship. What is the urgency for a biostatistician’s clarification?

A. To accept the strong correlation as is.
B. To urgently explain that Pearson's correlation coefficient only measures linear association, and a non-linear relationship might be missed or misinterpreted.
C. To ignore the scatter plot.
D. To assume all relationships are linear.
nmdcat.online BS Nursing
Jun 6, 2026

182. The technical acronym “ANOVA” stands for:

A. Analysis of Variables.
B. Analysis of Variance.
C. Analysis of Values.
D. Analysis of Variation.
nmdcat.online BS Nursing
Jun 6, 2026

185. A critical situational clinical trial reports that a new drug for a chronic condition is statistically significant, but the observed effect size is very small (e.g., 0.1% improvement). What is the urgency for a biostatistician to contextualize this finding?

A. To immediately recommend the drug.
B. To urgently explain that while statistically significant, the clinical relevance of such a small effect size is questionable and might not justify the drug's cost or side effects.
C. To only focus on the p-value.
D. To assume statistical significance equals clinical importance.
nmdcat.online BS Nursing
Jun 6, 2026

186. What technical measure of dispersion describes the spread of the middle 50% of the data in a box plot?

A. Range.
B. Standard deviation.
C. Variance.
D. Interquartile range.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

173. A critical situational public health campaign reports that a new intervention increased a desired outcome from 5% to 10%, with a p-value of 0.001. What is the urgency for a biostatistician to highlight both relative and absolute differences?

A. To only focus on the p-value.
B. To urgently explain that while statistically significant, the absolute increase is only 5 percentage points, which might be less impressive than the relative increase, and to frame findings transparently.
C. To ignore the absolute difference.
D. To assume all significant findings are large.
nmdcat.online BS Nursing
Jun 6, 2026
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