Answer:
Step-by-step explanation:
Given
Required
The sample mean and the sample variance
First, calculate the midpoints
And so on...
So, the table becomes:
So, the sample mean is:
The sample variance is:
I think the answer is negative 8 square root 726
then the answer if I am right sorry if I am not would be negative 88 square root 6
again sorry if wrong
24/8=3 so probem looks like this now 2+-3-9=
now we do addition 2+-3=-1
now -1-9=-10
Answer:
8
Step-by-step explanation:
32 divide by 8 =4 so since the gumdrops are 2 for eight pence angelina would buy 8 for 32 pence
Answer:240 square centimeters
Step-by-step explanation:
1. 10x7=70
2. 7x10=70
3. 25x4=100
70+70+100=240