I need help with this problem ​

The company financial officer was interested in the average cost of pcs that had been purchased in the past six months. she took a random sample of the price of 10 computers, with the following results. $3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120, $3,009, $4,000 what is the iqr?

Winston churchill's stamp collection was valued at $14 million when he died. at auction, it brought in only $4 million. what was it worth? why?

If quotas on sugar were eliminated in the united states, domestic production of sugar would fall. why is this a benefit in economic terms for the united states? i. resources are freed up that could be used more efficiently elsewhere. ii. it is beneficial because it allows foreign producers of sugar to earn income and thus those countries are better off. iii. u.s. consumers are able to enjoy increased consumer surplus because of the lower prices of imported sugar.