Problem 7CQQ

Consider a sample taken from the population of all taxi-in times for all flights that land in Los Angeles. Identify the symbols used for the sample mean and the population mean.

Problem 7CQQ

Answer:

Step1 of 3:

We have Consider a sample taken from the population of all taxi-in times for all flights that land in Los Angeles.

Step2 of 3:

We need to Identify the symbols used for the sample mean and the population mean.

Step3 of 3:

Let us understand what is sample mean and what is population mean.

Consider,

Sample Mean:Sample Mean is the average of all the values in a sample. It can be calculated by adding up all the values and then dividing the sum total by the number of values in the sample.

It is denoted as

Population Mean:When the provided list represents a statistical population, then the mean is called the population mean.

It is denoted by

Conclusion:

Sample mean is , population mean is these are the symbols used for the sample mean and the population mean.