A stem-and-leaf display describes two-digit integers between 20 and 80 . For one of the classes displayed, the row appears as 5246 . What numerical values are being described?
a. 25, 45, and 65
b. 60, 50, 40, and 20
c. 52, 54, and 56
d. 46 and 52
Question 2
In the stem-and-leaf display, data are represented as:
a. dots which allow us to readily see the shape of the distribution as well as the high and low values.
b. frequencies according to the relative length of a set of rectangles.
c. a subset of the original digits as class descriptors.
d. a circular display divided into sections based on the number of observations within the segments.
e. pairs of known values of two variables, one being referred to as independent and the other, dependent.
Classes of dinosaurs
Human neural stem cells derived from hESCs, engineered to over-express Olig2
Kidney-Leaf Buttercup
Remains of an abscission zone between a leaf petiole and twig of horse chestnut (Aesculus hippocasta