Answer:
This means that the means height (which is all the sum of the height of all the students divided by their number ) is 205 cm. Standard deviation means how the height of the students deviates from this mean since students do vary in height and are not all the same height of 205 cm. Therefore, in this case, the amount of standard dispersion of the students' height is by 17 cm on either lower or higher side of the mean.
A. An increase in the amount of acid rain can change the pH of soil in an ecosystem.
Answer:
i honestly am just answering this to get points so that i don't have to purchase anything hope you understand
Explanation:
The answer u r looking for is- A, all of the above. Hope I’ve helped ;)
