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Answer: The average length of time that the 25 customers waited before leaving the bank. e. Statistic
The list of times for the 25 customers who left the bank. f.Data
All of the bank's customers d. Population
The 25 customers that the manager observed leave. c. Sample
The length of time a customer waits before leaving the bank. a. Variable.
The average length of time that all customers will wait before leaving the bank a. Parameter
Step-by-step explanation:
A data is a list of observations.
In statistics, a variable is an attribute that defines a person, place, thing, or thought.
A large group that have similar individuals as per the researcher's point of view is known as population, where its subset is known as sample.
The measure of certain characteristic in population is known as parameter, where for sample it is known as statistic.
The correct description of the given examples are:
The average length of time that the 25 customers waited before leaving the bank.
- e. Statistic
The list of times for the 25 customers who left the bank.
- f. Data
All of the bank's customers
- d. Population
The 25 customers that the manager observed leave.
- c. Sample
The length of time a customer waits before leaving the bank.
- a. Variable.
The average length of time that all customers will wait before leaving the bank
- a. Parameter
We can see that a bank manager is interested in finding out the average wait time which each customer has to wait and we can see that this is known as a parameter.
Read more about variables here:
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