Author Question: A graphical device that highlights the highest and lowest values in a data set, along with a number ... (Read 54 times)

Anajune7 · **on:** Jul 24, 2018

A graphical device that highlights the highest and lowest values in a data set, along with a number of other key observations in an ordered array of the data, such as the upper quartile, the middle value (or median), and the lower quartile, is called:
a. a boxplot
b. a five-number summary
c. a dotplot
d. a stem-and-leaf plot
e. a histogram

Question 2

A pooled estimate for any statistic in a problem dealing with two populations is a value arrived at by combining the two separate sample statistics so as to achieve the best possible point estimate.
Indicate whether the statement is true or false