The number of caps a new online store sells increases by a factor of 4 each month. The function f(x) = 4x represents the number
1 answer:
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Our data are:
0.19
0.78
0.96
1.31
2.78
3.16
4.15
4.67
4.85
6.50
7.35
8.01
8.27
12.06
31.75
32.52
33.91
36.71
72.89
From this data we have n=19
Mean is equal to:
We summarize all the values and divide them by the total number of samples.
In another hand we have that Standard Variation is equal to
For this case we take the value of each of our samples, we subtract the average and we square it to that value. We do this with each of the data and in the end we divide them by the total population of the sample (n) minus 1.
Answer:
b = 5 StartRoot 3 EndRoot
b = Negative 5 StartRoot 3 EndRoot
Step-by-step explanation:
we have
Remember that the root of a function is the value of x when the value of the function is equal to zero
In this problem
The roots are the values of b when the function f(b) is equal to zero
so
For f(b)=0
square root both sides
Simplify
and
therefore
b = 5 StartRoot 3 EndRoot
b = Negative 5 StartRoot 3 EndRoot