A random sample of 94 elementary students were selected from the United States. They all took an aptitude test and their scores were recorded. The 94 students had a test average of 76. Which of the following statements are true and which are false? The mean aptitude test score of 76 is an estimate of the mean [ Choose ] test score for all the elementary students in the USA. The value 76 is an example of a population parameter. [ Choose ] The value 76 is an example of a sample statistic. [ Choose ] V The sample consists of 94 elementary school students from the [ Choose ] USA