The frequency of the second class is 6.
Since the class width is 6 and the lower limit of the first class is 50, this means the first class goes from 50-55. This would put the second class at 56-61. There are 6 data points in this set that would go in the second class.
Answer:
C
Step-by-step explanation:
The values are not vectors so ST/SR should be 3
Yep it is greater. Hope this helps
9a-ab+5b
9(2)-(2)(7)+5(7)
18-14+35
39
