In this HIT, you will be first presented the content taught in one section of a statistic class. Then, several discussion threads will be displayed.

Please decide whether these discussion threads are related to the content being taught in class or not. Related discussion is defined that there are some overlapped specific keywords/concepts/topics in the discussion and the section content being taught.

NOTICE: both of them have similar general topic such as mean, standard deviation, or statistics doesn't make them related.

Example:

Content being taught
• Adding a constant to each data point will not change the standard deviation.
• Summarize data and present with histogram.

Not related discussion
• This statistics class is very useful for data analyst.
• How to compute standard deviation?

Related discussion
• I don't understand the idea of histogram.
• Why a constant shift doesn't change data's standard deviation?

Your work will be reviewed by humans, we will accept you work as long as your answers are reasonable, but please do not try to cheat.