Use the Given Frequency Distribution to Find the
(A)class Width

question 143

Multiple Choice

Use the given frequency distribution to find the
(a) class width.
(b) class midpoints of the first class.
(c) class boundaries of the first class.
- $$\begin{array}{l}\text { Phone Calls (per day) }\\\begin{array} { r | c } { \text { Class } } & \text { Frequency, f } \\\hline 8 - 11 & 18 \\12 - 15 & 23 \\16 - 19 & 38 \\20 - 23 & 47 \\24 - 27 & 32\end{array}\end{array}$$

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