**The 2010 General Social Survey asked the question, “After an average work day, about how many hours do you have to relax or pursue activities that you enjoy?” to a random sample of 1,155 Americans. The average relaxing time was found to be 1.65 hours. Determine which of the following is an observation, a variable, a sample statistic, or a population parameter.**

The **Answer to the Question**

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## Solution

### a) An American in the sample

Observation

### b) Number of hours spent relaxing after an average work day

Variable

### c) 1.65

Sample statistic (mean)

### d) Average number of hours all Americans spend relaxing after an average work day

Population parameter (mean)