A student would like to know what proportion of the text messages she sends are to her best friend. She selects a random sample of 50 text messages she sent and determines the proportion of those messages that are sent to her best friend. Which of the following statements is true?
Answer
A
The population is all of her friends and the sample is the best friend about whom she is performing this study.
B
The population is the best friend about whom she is performing this study and the sample is all of her friends.
C
The population is the 50 text messages she randomly selected and the sample is all text messages she sent.
D
The population is all text messages she sent and the sample is the 50 text messages she randomly selected.