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.

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.

y=mx+b

step-by-step explanation:

m slope

b y-intercept

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.