00:01
Hi, so the mean temperature of the first seven days of january is four celsius.
00:04
The temperature on the eighth day was three celsius.
00:07
What is the mean temperature of the first eight days? okay, so let's start off with this.
00:12
So the mean temperature for seven days was four centimeters or four celsius.
00:16
That means they, to get the mean, so like you get the mean like you get a sum, like this x means like the sum of them.
00:25
And you divide by how many days there are.
00:27
There be seven and that turned into four.
00:29
That's actually what it is.
00:30
This is like the sum of all seven days.
00:32
It's like a whole bunch of numbers.
00:34
So the sum of all those numbers actually becomes what seven times four, and that's 28.
00:39
Okay.
00:40
And that's not the answer.
00:41
What i'm doing is, okay, we're going to get a new me...