FREE MDTP Data Analysis Questions and Answers
Which measure of central tendency is most affected by extreme values?
Correct!
Wrong!
The mean is affected by extreme values because it takes into account all values in the data set.
What is the median of the data set 3,7,9,15,18?
Correct!
Wrong!
The median is the middle value of an ordered data set. Here, 9 is the middle value.
In a data set, the range is defined as:
Correct!
Wrong!
The range measures the spread of the data by subtracting the smallest value from the largest value.
Which of the following best describes the mean of a data set?
Correct!
Wrong!
The mean is calculated by summing all the values and dividing by the total number of values.
A scatter plot is most useful for determining:
Correct!
Wrong!
A scatter plot shows how two variables relate to each other, often revealing correlations.