3.2
3.3
3.7
4.2
Correct answer is B
Mode = a + (b - a)(fm - Fb)
2Fm - Fa - Fb
= 3.0 + \(\frac{(3.4 - 3)(15 - 4)}{2(15) - 4 - 10}\)
= 3 + \(\frac{(6.4)(11)}{30 - 14}\)
= 3 + \(\frac{4.4}{16}\)
= 3 + 0.275
= 3.275
= 3.3cm
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