Advanced MCQ on Arithmetic Mean (PDF)

The arithmetic mean, commonly referred to as the mean, is a measure of central tendency that represents the average value of a dataset. It is calculated by summing all the values in the dataset and then dividing by the number of values. For example, in the dataset [2, 4, 6, 8), the arithmetic mean is ((2 + 4 + 6 + 8) / 4 = 20 / 4 = 5). The arithmetic mean provides a single value that summarizes the center of the data distribution but can be affected by extreme values or outliers. This is an advanced MCQ on Mean with Answers. You can download the questions aas PDF form the download link provided in the results page of the quiz.

Biostatistics Notes  |  Biostatistics PPTs  |  Biostatistics MCQs

1. 
The arithmetic mean is best described as:

2. 
Which of the following statements is true regarding the arithmetic mean?

3. 
What is the arithmetic mean of the following numbers: 10, 20, 30, 40, 50?

4. 
If each value in a dataset is multiplied by a constant k, what happens to the arithmetic mean?

5. 
If the arithmetic mean of a dataset is equal to 50 and one of the data points (100) is removed, what will happen to the mean?

6. 
When is the arithmetic mean equal to the geometric mean in a dataset?

7. 
In a right-skewed distribution, the relationship between the mean and median is generally:

8. 
The arithmetic mean of a large dataset can be misleading if:

9. 
If the arithmetic mean of a set of 10 numbers is 20, what is the sum of these numbers?

10. 
The weighted arithmetic mean is used when:

11. 
The harmonic mean is preferable to the arithmetic mean when dealing with:

12. 
For a dataset with an even number of observations, how does the arithmetic mean compare to the median?

13. 
Which of the following statements is false regarding the arithmetic mean?

14. 
The arithmetic mean of a portfolio’s returns is often used in finance, but a potential drawback is that it:

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