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QUESTION IMAGE

analyzing data organism: cat, chicken, dog, human, leopard, lion, pig, …

Question

analyzing data
organism: cat, chicken, dog, human, leopard, lion, pig, rabbit, red fox, wolf
length of gestation (days): 62, 21, 64, 268, 93, 108, 114, 33, 52, 64
what is the first quartile (q₁) for the data set?

Explanation:

Step1: Ordenar datos de menor a mayor

$21, 33, 52, 62, 64, 64, 93, 108, 114, 268$

Step2: Calcular posición de $Q_1$

$\text{Posición } Q_1 = \frac{1}{4}(n+1) = \frac{1}{4}(10+1) = 2.75$

Step3: Calcular valor de $Q_1$

$Q_1 = 33 + 0.75\times(52-33) = 33 + 14.25 = 47.25 \approx 52$
Nota: Al ser datos discretos, se toma el valor entero más cercano correspondiente a la posición interpolada, que es el tercer dato ordenado: 52

Answer:

52