Author Question: For any distribution, the percent of observations that lie within four standard deviations of the ... (Read 78 times)

sarasara · **on:** Jun 24, 2018

For any distribution, the percent of observations that lie within four standard deviations of the mean is:

A) 93.75 or more.
B) 93.75 or less.
C) 6.25 or more.
D) 6.25 or less.

Question 2

Which of the following statements about a pie chart is false?

A) A pie chart is graphical representation of the proportion or percentage of frequency of each category of a categorical variable.
B) A pie chart is usually used to display the relative sizes of categories of a numerical variable.
C) A pie chart always has the shape of a circle.
D) The size of each slice of a pie chart is the proportion or percentage of frequency of the corresponding category of a categorical variable.