Answer:
Option D. 12
Explanation:
To obtain the answer to the question, let us form a frequency table for the class.
This is illustrated below:
Class >>>>>>>>>>>>> Frequency
0.320 – 0.329 >>>>> 1
0.330 – 0.339 >>>>> 14
0.340 – 0.349 >>>>> 12
0.350 – 0.359 >>>>> 2
0.360 – 0.369 >>>>> 1
From the table illustrated above, class 0.340 – 0.349 have 12 values.