Question

dr. tamir conducted a study on echoic memory with a sample of college students, finding that the mean length of echoic memory was 3.47 seconds. which of the following statements accurately interprets this value?
the average length of time for which the college students remembered visual information was 3.47 seconds.
the average length of time for which the students remembered auditory information was 3.47 seconds.
the most frequent length of time for which the college students remembered visual information was 3.47 seconds.
the most frequent length of time for which the college students remembered auditory information was 3.47 seconds.

Explanation:

The mean (average) is a measure of central tendency. It represents the sum of all values divided by the number of values. In this case, the mean length of echoic memory (3.47 seconds) refers to the average length of time. The most frequent value would be the mode. Since the problem mentions the mean, the correct interpretation is about the average.

Answer:

The average length of time for which the college students remembered visual information was 3.47 seconds.