Question

number of snacks
class b
10 15 20 25 30 35 40 45
number of snacks
which statement best compares the variability of the number of snacks grabbed for class a and class b?
the number of snacks grabbed for class a has less variability than the number of snacks grabbed for class b.
the number of snacks grabbed for class b has less variability than the number of snacks grabbed for class b.
the number of snacks grabbed for class a has more variability than the number of snacks grabbed for class a.
the number of snacks grabbed for class b has about the same variability as the number of snacks grabbed for class a.

Explanation:

Step1: Observe the data spread

By looking at the dot - plot of Class B, we can see that the data points are more spread out along the number - of - snacks axis.

Step2: Recall the concept of variability

Variability measures how spread out a data set is. A more spread - out data set has higher variability.

Answer:

The number of snacks grabbed for Class A has less variability than the number of snacks grabbed for Class B.