Below Is a Frequency Distribution of Earnings of 50 Contractors

question 81

Multiple Choice

Below is a frequency distribution of earnings of 50 contractors in a country. $$\begin{array} { c c } \begin{array} { c } \text { Earnings } \\\end{array} & \text { Number of } \\\text { (thousands) }& \text { Contractors } \\1 - 10 & 2 \\11 - 20 & 7 \\20 - 30 & 12 \\ 31 - 40 & 15 \\41 - 50& 8 \\50 - 60 & 6\end{array}$$ Regarding this distribution, which of the following is correct?

• A)The frequency distribution contains too many class intervals.
• B)The class interval limits are ambiguous.
• C)Too few classes were chosen.
• D)The class intervals are too wide.

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