3. the two data sets show random samples of the costs, in dollars, of cars purchased at two dealerships yesterday.
dealership 1: 25,000, 42,000, 37,000, 45,000 120,000
dealership 2: 28,000, 95,000, 18,000, 19,000, 33,000
(a) what are the mean and the median of each data set?
(b) which measure of center will provide the most accurate estimate of the costs of cars purchased at the two dealerships?

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

The la dodgers hit the most homeruns in 2014. the number of homeruns accounted for 6% of the entire major leauge baseball homerun count. if 583 total homeruns were hit, approximately how many did the la dodgers hit

Suppose i flip two identical coins. what is the probability that i get one head and one tail?