Answer to Question #113671 in Statistics and Probability for Katenda

Question

Question 3

Which one of the following statement is incorrect?

(1) Quantitative variables can either be discrete or continuous.
(2) Qualitative variables used labels to describe attributes.
(3) The mean, median and mode can be determined for a quantitative variable.
(4) The mean cannot be determined for a qualitative variable.
(5) None of the above.


Question 7

Which one of the following statements in incorrect?

(1) The number of likes a fake news post received is a quantitative discrete variable.
(2) The number of retweets a fake news post received is a quantitative discrete variable.
(3) The number of mentions of fake news tweet is a quantitative continuous variable.
(4) The duration in hours it takes a fake news post to go viral is a quantitative continuous variable.
(5) None of the above.

Answer 1

Question 3

The incorrect statement is:

(5) None of the above.

Because all the statements are correct.

Question 7

The incorrect statement is:

(3) The number of mentions of fake news tweet

is a quantitative continuous variable.

Because it is a qualitative discrete variable.