Practice Questions

103. A situational dataset contains the types of cancer diagnosed (e.g., Lung, Breast, Colon). What technical type of data is this?

A. Nominal. ✓

B. Ordinal.

C. Interval.

D. Ratio.

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Jun 6, 2026

102. A medicinal study reports a p-value of 0.06. If the significance level was set at 0.05, what critical conclusion should be drawn?

A. Reject the null hypothesis.

B. Fail to reject the null hypothesis. ✓

C. The drug is effective.

D. The drug is ineffective.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

101. A clinical researcher wants to compare the incidence of a specific side effect (yes/no) in two different drug groups. Which technical graphical display would be most appropriate?

A. Histogram.

B. Scatter plot.

C. Bar chart. ✓

D. Line graph.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

100. The standard error of the mean technically measures:

A. The standard deviation of the population.

B. The standard deviation of the sample.

C. The standard deviation of the sampling distribution of the sample mean. ✓

D. The range of the data.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

99. A critical situational decision needs to be made about whether to roll out a new public health intervention. Initial data shows a positive trend, but the sample size is small, and the p-value is only 0.07. What urgency is involved in further evaluation?

A. To immediately implement the intervention.

B. To recognize that a p-value of 0.07 is not statistically significant at the 0.05 level, and further data or a larger study is urgently needed to make a definitive decision. ✓

C. To ignore the p-value and proceed.

D. To assume the trend will continue.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

98. A medicinal study is designed to show that a new drug is better than an existing one. What technical type of hypothesis test is being performed?

A. Non-inferiority test.

B. Equivalence test.

C. Superiority test. ✓

D. Association test.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

97. A clinical trial compares the effectiveness of a new drug to a placebo. The primary outcome is a continuous measure (e.g., symptom score). If the goal is to estimate the average treatment effect with a certain level of confidence, which technical statistical tool would be used?

A. P-value.

B. Hypothesis test.

C. Confidence interval. ✓

D. Standard error.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

96. What technical term describes the numerical summary of a population?

A. Statistic.

B. Sample.

C. Parameter. ✓

D. Variable.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

95. A situational public health professional needs to understand the typical range of blood pressure values within which the middle 50% of the population falls. Which measure of dispersion would be most appropriate?

A. Range.

B. Standard deviation.

C. Interquartile range (IQR). ✓

D. Variance.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

94. A medicinal study finds a statistically significant result, but a subsequent replication study fails to find the same result. What critical biostatistical issue might explain this discrepancy?

A. The original study had too much power.

B. The original study might have had a Type I error, or the replication study a Type II error, or differences in methodology. ✓

C. The original study was perfect.

D. Replication studies are never necessary.

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mintcream-chough-797767.hostingersite.com BS Nursing

Jun 6, 2026

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Practice Questions

103. A situational dataset contains the types of cancer diagnosed (e.g., Lung, Breast, Colon). What technical type of data is this?

102. A medicinal study reports a p-value of 0.06. If the significance level was set at 0.05, what critical conclusion should be drawn?

101. A clinical researcher wants to compare the incidence of a specific side effect (yes/no) in two different drug groups. Which technical graphical display would be most appropriate?

100. The standard error of the mean technically measures:

99. A critical situational decision needs to be made about whether to roll out a new public health intervention. Initial data shows a positive trend, but the sample size is small, and the p-value is only 0.07. What urgency is involved in further evaluation?

98. A medicinal study is designed to show that a new drug is better than an existing one. What technical type of hypothesis test is being performed?

97. A clinical trial compares the effectiveness of a new drug to a placebo. The primary outcome is a continuous measure (e.g., symptom score). If the goal is to estimate the average treatment effect with a certain level of confidence, which technical statistical tool would be used?

96. What technical term describes the numerical summary of a population?

95. A situational public health professional needs to understand the typical range of blood pressure values within which the middle 50% of the population falls. Which measure of dispersion would be most appropriate?

94. A medicinal study finds a statistically significant result, but a subsequent replication study fails to find the same result. What critical biostatistical issue might explain this discrepancy?

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