Data that affects mean, median, and mode 1. Annette scored 85, 73, and 94 on her first three quizzes. How high does she need to
score on her fourth quiz to keep her quiz average at at least a B (80%)?

Find the value of x. give reasons to justify your solutions! c ∈ ae

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.

If m_b=mzd= 43, find mzc so that quadrilateral abcd is a parallelogram o 86 137 o 129 43 description