the accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupied year round. approximate the mean and standard deviation square footage.

What are the two main ideas of this passage? museum experts feel that museums must change to attract visitors. museum experts care more about the number of visitors than about history. museums that display artworks and exhibits do not make families welcome. museums like colonial williamsburg make learning about the past fun. museums in the united states are different than in other countries.