1, 5, 2, 2, and 3.
eight adults are surveyed and asked how many credit cards they possess.
complete the table below.
x-
(x - x)
l
1
ماهاني
t
a
4
0
3
1
5
2
2
3
i
i
t
t
t
š
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
l
t
t
using the formula for standard deviation
save and exit
next
submit
mark this and return

?

Explanation: which table

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds