greg777
03.11.2020 •
Mathematics
Daniel recorded the ages of the students in two of his classes below.
Class I: 14, 15, 15, 16, 16, 16, 17, 17, 18
Class II: 13, 14, 15, 16, 16, 17, 18, 18, 19
Which statement about Class II is true?
A
The mean of Class II is smaller than Class I, and the median is larger.
B
The mean of Class II is smaller than Class I, and the median is the same.
C
The mean of Class II is larger than Class I, and the median is larger.
D
The mean of Class II is larger than Class I, and the median is the same.
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Ответ:
The median of class one is 16.
The mean of class two is about 16.
The median of class two is 16.
Therefore, the answer is D. The mean of class two is larger than class one and the median is the same.
Ответ:
D
The mean of Class II is larger than Class 1, and the median is the same.
Step-by-step explanation:
The mean is the average, so add the numbers for class I up and divide by the total, 9, to get 16. Do the same for class II and you get 16.2 which is larger.
The median (number in the middle) is 16 for both classes.
Ответ:
sdc
Step-by-step explanation:
sdc