Hi Forum,
What does the statement of "a margin of error of plus or minus 2.9 percentage points" mean? Does it mean that you the percentage number is actually can be up 2.9 point or can go down two 2.9 poin? Please offer your explanation. Thank you in advance.
Here is the context: "The poll of 1,159 registered voters was conducted from Friday to Monday and has a margin of error of plus or minus 2.9 percentage points."
What does the statement of "a margin of error of plus or minus 2.9 percentage points" mean? Does it mean that you the percentage number is actually can be up 2.9 point or can go down two 2.9 poin? Please offer your explanation. Thank you in advance.
Here is the context: "The poll of 1,159 registered voters was conducted from Friday to Monday and has a margin of error of plus or minus 2.9 percentage points."