Find the range and interquartile range (IQR) of the data set in the box plot. 11,7, 24, 7, 16, 18, 27, 8, 13, 14, 24, 30

Find the lengths of the diagonals of this trapezoid.

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?