The advantage of making a stem-and-leaf display instead of a dotplot is that a stem-and-leaf display
A) none of these
B) preserves the individual data values.
C) satisfies the area principle.
D) shows the shape of the distribution better than a dotplot.
E) A stem-and-leaf display is for quantitative data, while a dotplot shows categorical data.
Question 2
Suppose that a Normal model described student scores in a history class. Parker has a standardized score (z-score) of +2.5. This means that Parker
A) has a standard deviation of 2.5.
B) has a score that is 2.5 times the average for the class.
C) none of these
D) is 2.5 standard deviations above average for the class.
E) is 2.5 points above average for the class.
What is a stem cell?
Stem Cell Hierarchy
Leaf margins and air temperature
Structure of a woody stem
Making Recombinant DNA