Answer:
The standard deviation is 2.6832815729997
Step-by-step explanation:
SD^2=(12-12)^2+...+(14-12)^2/10
SD^2=72/10
SD^2=7.2
SD=squeare root of 7.2
SD=2.6832815729997
See the attached picture.
There are 6 different ways:
23,598
23,958
25,398
25,938
29,538
29,358
Answer:
900 large boxes were sold, and 750 small boxes.
Step-by-step explanation:
This question can be solved by a system of equations.
I am going to say that:
x is the number of large boxes of cookies sold.
y is the number of small boxes of cookies sold.
A total of 1,650 boxes of Girl Scout cookies were sold last week.
This means that

So

Each large box cost $3.50 and each small box cost $2.00. The Girl Scout group earned $4,650.
This means that

Since 






900 large boxes were sold, and 750 small boxes.