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Consider the following frequency distribution.

Number of Minutes Frequency
0 to less than 5 6
5 to less than 10 9
8 to less than 13 14
13 to less than 18 2
Which rule for constructing a frequency distribution using grouped quantitative data has been violated?
A. Use mutually exclusive classes.
B. Use equal-size classes.
C. Avoid empty classes.
D. No rule has been violated.

User GELR
by
8.0k points

1 Answer

3 votes

Answer:

A. Use mutually exclusive classes.

Explanation:

From the given frequency distribution:


\left|\begin{array}c$Number of Minutes &$Frequency\\-------&------\\$0 to less than 5 &6\\$5 to less than 10& 9\\$8 to less than 13 &14\\$13 to less than 18 &2\end{array}\right|

We can see that we have these class interval

  • 5 to less than 10
  • 8 to less than 13

The data in these two ranges will overlap and therefore violates the rule of mutual exclusivity.

User JoshVarty
by
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