A rancher is interested in the average age that a cow begins producing milk. Match the vocabulary word with its corresponding example.

• - The age when a milk cow first produced milk
• - The 62 milk cows that were observed by the rancher
• - The average age that all milk cows are when they first produce milk
• - The average age for the 62 observed milk cows as they first produced milk
• - All milk cows
• - The list of the 62 ages

1. Parameter
2. Population
3. Statistic
4. Data
5. Sample
6. Variable