Basic Statistical Concept - Module I

8 Questions | By Mikemulbah | Updated: Mar 16, 2022 | Attempts: 86

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1.

A mathematical expression in which the numerator is expressed over a denominator such that the numerator is a subset of the denominator is known as what
- A.
  
  Ratio
- B.
  
  Rate
- C.
  
  Percent
- D.
  
  Proportion
- E.
  
  None of the above
- F.
  
  All of the above
Correct Answer
D. Proportion
2.

A mathematical expression in which one number is expressed in relation to another by dividing the one number by the other
- A.
  
  Median
- B.
  
  Rate
- C.
  
  Ratio
- D.
  
  Proportion
Correct Answer
C. Ratio

Explanation
The Correct answer is Ratio

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3.

A special form of a ratio in which the numerator is the number of occurrences of an event during a time period, and the denominator is the number of persons exposed to that event in the time period is known as
- A.
  
  Percentage
- B.
  
  Rate
- C.
  
  Ratio
- D.
  
  Proportion
- E.
  
  None of the above
Correct Answer
B. Rate
4.

In a study to assess the relationship between exposure to tobacco use and lung cancer, it was established that the risk of lung cancer in the exposed group was 0.85 compared to the risk of lung cancer in the unexposed group (0.24). the resulting Relative Risk, therefore, is 3.5. This finding implies that:
- A.
  
  The control /unexposed group is at greater risk than the exposed
- B.
  
  The exposed group is at greater risk of lung cancer than the unexposed
- C.
  
  The null hypothesis would be accepted
- D.
  
  None of the above statement is true
- E.
  
  There is no major difference between the exposed and unexposed group
Correct Answer
B. The exposed group is at greater risk of lung cancer than the unexposed
5.

The maternal mortality figure reads as follow : "the number of death per 100,000 live births in Liberia is 1,072" This figure, according to the Liberia Demographic survey 2013 is an example of which of the following measure
- A.
  
  Proportion
- B.
  
  Ratio
- C.
  
  Rate
- D.
  
  Percentage
- E.
  
  None of the above
Correct Answer
B. Ratio
6.

In clinical statistics, risk generally refer to the probability of bad outcome in people with a particular condition or exposure and is a form of
- A.
  
  Percent
- B.
  
  Ratio
- C.
  
  Rate
- D.
  
  Proportion
Correct Answer
D. Proportion
7.

Which of the following is the measure of the chance of an event occurring in the experimental group relative to it occurring in the control group
- A.
  
  Odds Ratio
- B.
  
  Relative Risk
- C.
  
  Confidence Interval
- D.
  
  P-Value
- E.
  
  Mean
- F.
  
  Absolute Risk Reduction
Correct Answer
B. Relative Risk
8.

In a study to assess the relationship between exposure to tobacco use and lung cancer, the assertion/presumption that "there is a statistically significant relationship between exposure to tobacco use and Lung cancer" would be classify as
- A.
  
  Type I error
- B.
  
  Type II error
- C.
  
  Null Hypothesis
- D.
  
  Alternative hypothesis
Correct Answer
D. Alternative hypothesis

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Current Version
Mar 16, 2022

Quiz Edited by
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Nov 16, 2016

Quiz Created by
Mikemulbah

Basic Statistical Concept - Module I

A mathematical expression in which the numerator is expressed over a denominator such that the numerator is a subset of the denominator is known as what

A mathematical expression in which one number is expressed in relation to another by dividing the one number by the other

A special form of a ratio in which the numerator is the number of occurrences of an event during a time period, and the denominator is the number of persons exposed to that event in the time period is known as

The maternal mortality figure reads as follow : "the number of death per 100,000 live births in Liberia is 1,072" This figure, according to the Liberia Demographic survey 2013 is an example of which of the following measure

In clinical statistics, risk generally refer to the probability of bad outcome in people with a particular condition or exposure and is a form of

Which of the following is the measure of the chance of an event occurring in the experimental group relative to it occurring in the control group

In a study to assess the relationship between exposure to tobacco use and lung cancer, the assertion/presumption that "there is a statistically significant relationship between exposure to tobacco use and Lung cancer" would be classify as