Respuesta :
Answer:
2
Step-by-step explanation:
The frequency is how many times the score shows up in the data set
21, 27, 20, 29, 23, 21, 21, 27, 26, 25
27 shows up 2 times so the frequency is 2
D.2 ; 27 shows up twice within the row of number so the frequency is 2.