Answer:
Mean- 14.5
Median- 15.5
Interquartile Range- 7.5
Step-by-step explanation:
The mean is a type of average. It is the sum (total) of all the values in a set of data.
The median is the middle number in a sorted, ascending or descending, list of numbers.
The interquartile range describes the middle 50% of values when ordered from lowest to highest.
Answer:
the difference is -6
Step-by-step explanation:
number=6
square=2x
2x-6
The answer should be -37.5 feet unless it is 15 more hours then it is -97.5
Answer:
i think 120
Step-by-step explanation:
Let's say David's age right now is x years
x + 6 = 2(x - 7)
x + 6 = 2x - 14
x = 20
Therefor David is 20 years old