A student's test scores are 85, 90, 78, 92, and 80. If the student takes another test and scores 10, which statement best describes the effect of this new score on the mean and median of the test scores?
The mean will decrease, and the median will decrease.
The mean will decrease, and the median will stay the same.
The mean will increase, and the median will decrease.
The mean will increase, and the median will stay the same.
