1.The size of the class interval is
a.5
b.4
c.0.5
d.0.4
2.The class boundaries containing the highest frequency are
a.14.5-19.5
b.39.5-44.5
c.29.5-34.5
d.4.5-9.5
3.The class boundaries containing 12 as the frequency is
a.14.5-19.5
b.39.5-44.5
c.29.5-34.5
d.24.5-29.5
4.What is the mean of the given data?
a.29.98
b.32.4
c.30.97
d.32.227
5.What is the median?
a.29.98
b.32.4
c.30.97
d.32.227
6.What is the mode?
a.29.98
b.32.7
c.30.97
d.32.227​