Find the values at the 25th and 75th percentiles for the data set. 16 13 6 19 14 18 12 15 17 13 1 10 15 17 18 15 9 10 13
The value at the 25th percentile is
(Type a whole number.)

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's