Author Question: One of the key differences between a bar chart and histogram is: A) the histogram contains gaps ... (Read 79 times)

newyorker26 · **on:** Jun 24, 2018

One of the key differences between a bar chart and histogram is:

A) the histogram contains gaps between the bars and the bar chart does not.
B) a bar chart is used to display a categorical variable and a histogram is used to display the distribution of a quantitative variable.
C) the histogram shows relative frequency while the bar chart shows frequency.
D) the bar chart must be vertical while the histogram must be horizontal.

Question 2

If a hypothesis test is conducted for a population mean, a null and alternative hypothesis of the form: H0 : = 100HA : 100will result in a one-tailed hypothesis test since the sample result can fall in only one tail.

Indicate whether the statement is true or false