The stem-and-leaf plot shows the number of points Shondra scored in her basketball
games.
In how many games did Shondra score more than 30 points?

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?

When only separate discreet points are graphed it is called?

Is the figure congruent? yes or no?