Frequency polygon: The following frequency distribution presents the batting averages of professional baseball players who had 300 or more plate appearances during a recent season.
Frequency polygon: The following frequency distribution presents the batting averages of professional baseball players who had 300 or more plate appearances during a recent season. Batting Average Frequency 0.180-0.199 2 0200-0219 14 02200239 36 0240-0259 56 0260-0279 57 0280-0299 53 0300-0319 30 0320-0339 14 0340-0359 4 \f(a) Find the midpoints for the classes. Round the answers to three decimal places. Class Midpoint Frequency 0.180-0.199 0.190 2 0200-0219 0.210 14 0220-0239 0.230 36 0240-0259 0.250 56 0260-0279 0.270 57 0280-0299 0.290 53 0300-0319 0.310 30 0320-0339 0.330 14 0340-0359 0.350 4
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