Considering the stem-and-leaf plot, the range of the data-set is given as follows:
C. 45,79
The stem-and-leaf plot lists all the measures in a data-set, with the first number as the key, for example:
4|5 = 45.
Considering the key format, the smallest value in this problem is 4|5 = 45, and the highest is 7|9 = 79, hence the range is given by:
C. 45,79
More can be learned about an stem-and-leaf plot at https://brainly.com/question/8649311
#SPJ1
