Statistics With R MCQs (Chapterwise Multiple Choice Questions)

The assumptions for ordinal regression include

The proportional odds assumption.

A normally distributed outcome variable.

Equal group variances.

Independence of irrelevant alternatives.

Answer & Explanation

Correct Answer: The proportional odds assumption.

Note: This Question is unanswered, help us to find answer for this one

Chi-squared can be used to understand the relationship between

Any two variables.

Two categorical variables.

Two continuous variables.

One categorical and one continuous variable

Answer & Explanation

Correct Answer: Two categorical variables.

Note: This Question is unanswered, help us to find answer for this one

Which of the following is not a recommended type of graph?

Pie chart

Bar chart

Waffle chart

Density plot

Answer & Explanation

Correct Answer: Pie chart

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What is the primary purpose of ANOVA?

Comparing means across three or more groups

Comparing medians across three or more groups

Examining the relationship between two categorical variables

Identifying normally distributed data

Answer & Explanation

Correct Answer: Comparing means across three or more groups

Note: This Question is unanswered, help us to find answer for this one

Blood from the lower limbs drains into the __________ before returning to the heart.

Thoracic aorta

Inferior vena cava

Abdominal aorta

Superior vena cava

Answer & Explanation

Correct Answer: Inferior vena cava

Note: This Question is unanswered, help us to find answer for this one

Arteries and veins are constructed of ________ tunics

3

5

4

All of this

Answer & Explanation

Correct Answer: 3

Note: This Question is unanswered, help us to find answer for this one

The ________ divides the aorta into the thoracic aorta and the abdominal aorta.

Trachea

Liver

Diaphram

Lungs

Answer & Explanation

Correct Answer: Diaphram

Note: This Question is unanswered, help us to find answer for this one

Falling arterial blood pressure promotes ________.

Vasoconstriction

Enhanced sodium ion loss in urine

Vasodilation

Enhanced water loss in urine

Answer & Explanation

Correct Answer: Vasoconstriction

Note: This Question is unanswered, help us to find answer for this one

Which of the following assumptions does not apply to all three t-tests?

Independent observations

Normal distribution of continuous variable

Homogeneity of variances

Inclusion of one continuous variable

Answer & Explanation

Correct Answer: Homogeneity of variances

Note: This Question is unanswered, help us to find answer for this one

When an independent-samples t-test does not meet the assumption of normality, what is an appropriate alternative test?

Sign test

Levene’s test

Mann-Whitney U test

Dependent-samples t-test

Answer & Explanation

Correct Answer: Mann-Whitney U test

Note: This Question is unanswered, help us to find answer for this one

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