The second quartile of a data set is 4.2. which statement about the data values is true?
a. the data value 2.5 will lie delow the second quartile
b. the data value 4.7 will lie below the 2nd quartile
c. one fourth of the data values are less than or equal to 4.2 and 3/4 are above 4.2
d.1/4 of the values are less than or equal to 4.2 and 1/2 of the values are above 4.2
e. 1/4 of the values are above 4.2 and 1/2 of the values are less than or equal to 4.2