Identify population, sample, parameter, statistic in this data collection situation.

A fitness center was interested in the average time a customer spends at their gym. It collected "time spent in gym" information from $50$ of its customers.

Review Data Types $.$

Group of answer choices

Population

$[$ Choose $]$ Mean $($average$)$ time spent by $64$ customers. Mean $($average$)$ time spent by all customers Time spent at the gym $20$ min, $45$ min, $1$ hour,... $50$ customers from whom data was collected All customers of that gym

Sample

$[$ Choose $]$ Mean $($average$)$ time spent by $64$ customers. Mean $($average$)$ time spent by all customers Time spent at the gym $20$ min, $45$ min, $1$ hour,... $50$ customers from whom data was collected All customers of that gym

Variable

$[$ Choose $]$ Mean $($average$)$ time spent by $64$ customers. Mean $($average$)$ time spent by all customers Time spent at the gym $20$ min, $45$ min, $1$ hour,... $50$ customers from whom data was collected All customers of that gym

Parameter

$[$ Choose $]$ Mean $($average$)$ time spent by $64$ customers. Mean $($average$)$ time spent by all customers Time spent at the gym $20$ min, $45$ min, $1$ hour,... $50$ customers from whom data was collected All customers of that gym

Statistic

$[$ Choose $]$ Mean $($average$)$ time spent by $64$ customers. Mean $($average$)$ time spent by all customers Time spent at the gym $20$ min, $45$ min, $1$ hour,... $50$ customers from whom data was collected All customers of that gym

Data

$[$ Choose $]$ Mean $($average$)$ time spent by $64$ customers. Mean $($average$)$ time spent by all customers Time spent at the gym $20$ min, $45$ min, $1$ hour,... $50$ customers from whom data was collected All customers of that gym