The following data represents the level of arsenic in parts
The following data represents the level of arsenic in parts per billion for a random sample of 10 bottles of juice: 3, 5, 7, 8, 10, 12, 13, 16, 19 and 22. Which of the following is true?
The mean is 11.5 and the median is 10.0.
The mean is 10.0 and the median is 11.0.
The mean is 12.5 and the median is 10.5.
The mean is 11.5 and the median is 11.0.
| A. | The mean is 11.5 and the median is 10.0. | |
| B. | The mean is 10.0 and the median is 11.0. | |
| C. | The mean is 12.5 and the median is 10.5. | |
| D. | The mean is 11.5 and the median is 11.0. |
Solution
MEAN=115/10=11.5
MEDIAN--------MIDDLE TERMS = 10+12 /2=11
