In this data set, the outlier is 39 because it's value is not close to any of the other values.
The mean with the outlier is 12+12+17+18+21+24+25+39 = 168
168/8 = 21
The mean without the outlier is 12+12+17+18+21+24+25=129
129/7 = 18.4
These are choice C.
Using exponential function concepts, it is found that the student error is in the subtraction of the day rate, as he forgot to subtract from 100% = 1.
<h3>What is an exponential function?</h3>
A decaying exponential function is modeled by:
In which:
- A(0) is the initial value.
- r is the decay rate, as a decimal.
In this problem, the initial value of the computer is of A(0) = 1500, while it decays at a rate of 15% a year, hence r = 0.15 and the equation is:
Or equivalently, as a sequence:
Hence, it is found that the student error is in the subtraction of the day rate, as he forgot to subtract from 100% = 1.
More can be learned about exponential function concepts at brainly.com/question/25537936
Answer:
what do you mean?
Step-by-step explanation:
Hello!
As you can see this line is horizontal. It is 6 units long. Therefore the center is three units in. Therefore the center of this circle is at (1,2).
I hope this helps!