Las preguntas del 16 al 18 se responden con base en la siguiente información, que muestra el número de

horas que los estudiantes del grado octavo utilizan

Internet en la semana

10,12,6,10,8,4,0,20,12,10,16,8,6, 8,12,10,14,10,18,6,1

0,12,8,16,8,10,6,12,16,20

16. La moda de la información es

17. La media de la información es

18 La mediana de la información es​

7

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

answer: answer is b.

[m < b = 120º]

step-by-step explanation: