Histograms displaying continuous data have gaps between their bars. (True or false?)

Histograms displaying continuous data have gaps between their bars.
 
  Indicate whether the statement is true or false

Q. 2

When you rely on the mean to summarize many data values, you lose important information about the original data.
 
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Q. 3

The purpose of inferential statistics is to summarize or display data.
 
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Q. 4

The estimated class width for a frequency distribution using grouped quantitative data should be rounded to an integer value to make the class boundaries more readable.
 
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Q. 5

Under no circumstances should open-ended classes be used for a frequency distribution using grouped quantitative data.
 
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Q. 6

The mean is a convenient measurement for summarizing a data set with a single value.
 
  Indicate whether the statement is true or false