Free MDTP Data Analysis Questions and Answers

Question 1

Which of the following best describes the mean of a data set?

Accepted Answer

The sum of all values divided by the number of values

Answer

The most frequently occurring value

Answer

The middle value when the data is ordered

Answer

The difference between the highest and lowest values

Question 2

What is the median of the data set 3,7,9,15,18?

Accepted Answer

9

Answer

7

Answer

11

Answer

15

Question 3

Which measure of central tendency is most affected by extreme values?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 4

In a data set, the range is defined as:

Accepted Answer

The difference between the highest and lowest values

Answer

The most frequently occurring value

Answer

The middle value when the data is ordered

Answer

The sum of all values

Question 5

A scatter plot is most useful for determining:

Accepted Answer

The relationship between two variables

Answer

The mean of a data set

Answer

The spread of data

Answer

The most frequent value