Male bluethroat birds use song to attract female birds The v

Male bluethroat birds use song to attract female birds. The variable of interest is the length of a randomly selected song (in seconds) for ONE particular male bluethroat. The population mean is suggested to be 13.8 sec. with a standard deviation of 11.8 seconds.

What is the population?

What is the parameter? Describe in words and provide the value of the parameter.

What is the statistic? Describe in words.

(I do not understand how to find these, so please explain.)

Solution

Population refers to the total set of observations that can be made so here population is length of song.

Parameter is a measurable characteristics is population, such as mean or standard deviation. So here parameters are mean 13.8 and standard deviation 11.8

A statistics is a characteristic of a sample. Generally, a statistic is used to estimate the value of a population parameters.