To calculate the class width of the frequency distribution.
Answer to Problem 1CQQ
The intervals have equal class widths of
Explanation of Solution
The first two classes of frequency distribution are
The two classes are inclusive class intervals as they include the upper and lower limit values.
To find the class width, first convert the intervals from inclusive to exclusive type.
Add half of
The exclusive intervals are
Hence, the class width for the first interval is
For the second- class interval, it is:
The intervals have equal class widths of
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Chapter 2 Solutions
MyLab Statistics with Pearson eText -- Standalone Access Card -- for Biostatistics for the Biological and Health Sciences (My Stat Lab)
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