Answer:
The mean increases.
Step-by-step explanation:
Given data set is :
34, 75, 26, 81, 65, 38, 49
Arranging in ascending order, we have
26, 34, 38, 49, 65, 75, 81
Mean =
=
When 894 is included in the data, the mean becomes
So, the mean increases.
Maybe the last one.......
12
I think you have to use the product rule for counting- which is where you multiply the two numbers. I'm not sure if this is right but I hope I helped
Step 1.
Calculate measure of angle α:
Step 2.
Calculate what fraction of the angle 360° is the angle α:
Step 3.
Calculate the circumference of the Earth (circle):
Step 4.
The length of arc is equal 1/40 of the circumference:
243