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A real estate company is selling 32 houses. One of the houses costs $834,000, but in order to attract more buyers, the price is dropped to $819,000. By how much does this change the average price of the 32 houses?

A distribution of weights is symmetric about its median. The lower quartile of the weights is 90 pounds and the median is 120 pounds. Find the interquartile range of the distribution.

The lengths of the eggs of a species of bird are roughly normally distributed, with a mean of 32 mm and an SD of 1.2 mm. 1.Approximately what is the 99th percentile of the lengths? Give your answer in mm but please do not enter the units. 2.Approximately...

i did't get it even i got the wright answer , how do u calculated upper quartile ?? on hit and trial basis??

it is not working , can u plz do it for me