Can you please explain Test 7 section 4 question #22 ?
Test 2 calculator section #19
Test 2 calculator section #19. I guessed and got it right but how do you do it?
Proving Grounds #8
It’s been a while since we did one of these! The following five-question quiz (all about a histogram, by special request) will be available to everyone for one week, and then it will only be available to registered Math Guide Owners. (If you don’t have a Math Guide, now is a pretty good time to...
Check your Data Analysis, Statistics, and Probability skills
How’s everyone else doing on this quiz?
Median and Mode on the SAT
Like the average (or, as some say, the arithmetic mean), the median and the mode are useful properties of a set of numbers and can give statisticians great at-a-glance insight into the nature of copious data. When the SAT gets its hands on them, though, they are usually stripped of any analytical utility and instead (more…)