Final answer:
Haircut costs between males and females differ in terms of shape, center, and spread. Females generally have a higher average cost for haircuts compared to males, but there can be variability within each gender group.
Step-by-step explanation:
The difference in haircut costs between males and females can be described by analyzing the factors of shape, center, and spread. Shape refers to the overall distribution of the costs. Center represents the average or mean cost for each gender. Spread refers to the variability or range of costs within each gender group.
For example, let's say the average cost of a male haircut is $20, while the average cost of a female haircut is $40. This shows a difference in center, indicating that females typically pay more for haircuts than males. However, it's important to note that this is a generalization and individual hair salons may have different pricing.
In terms of spread, both males and females may have a range of prices for haircuts. Some salons may offer budget options at lower prices, while others may provide premium services at higher prices. The spread of costs within each gender group would depend on factors such as location, salon reputation, and additional services offered.