If we knew that 500 families living in various cities were surveyed randomly to gather this data, is it possible to make a valid conclusion

It is possible to make a valid conclusion as long as the data does not pertain to one certain region.

Hope this helps!  :)

Explanation:

Knowing that five hundred families that lived in varied cities were randomly surveyed for this data, then it is possible to make a valid conclusion. To make accurate and valid conclusions, the data should be a good representation of the overall population, one that is large and random. The data collected was not all from one specific area, and instead was from a large sample size from different cities are regions all over. This was also done randomly, and did not only focus on people more or less likely to play video games. This means that it is possible to make valid conclusions.

Explanation:

I said this, change wording :)