What does it mean to say that two variables are negatively correlated?
a.) when one variable increases, the other decreases
b.) when one variable increases, the other also increases
c.) when one variable decreases, the other also decreases
d.) both variables change at the same time

Hashtags serve to identify the topic of a given tweet true false

1. which of the following is not an example of an objective question? a. multiple choice. b. essay. c. true/false. d. matching 2. why is it important to recognize the key word in the essay question? a. it will provide the answer to the essay. b. it will show you a friend's answer. c. it will provide you time to look for the answer. d. it will guide you on which kind of answer is required.

What is a sketch or blueprint of a web page that shows the structure (but not the detailed design) of basic page elements such as the logo, navigation, content, and footer?