Approximately what is the mean of this set of data?
42, 48, 44, 45, 41, 39, 45, 49, 47, 44, 40, 51, 49
a) 51
b) 39
c) 47
d) 45

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6 im sorry i cant get the graph up