Answer:
p = 2a-22
a= p-20
these will help you find the actual value
Step-by-step explanation:
this is not for the actual value
pierre = p
alex = a
p = a+20
p-20 = a
p+22 = 2a
p = 2a-22
2.06 is equivalent to 2.060
Answer:

In order to calculate the sample deviation we need to calculate the mean given by:

And replacing we got:

And the standard deviation can be calculated with this formula:

And replacing we got:

Step-by-step explanation:
For this case we have the following data given:
281, 269, 259, 265, 256, 259, 266
The range is defined as:

And if we replace we got:

In order to calculate the sample deviation we need to calculate the mean given by:

And replacing we got:

And the standard deviation can be calculated with this formula"

And replacing we got:

3600 if you multiply 40 to 80<span />