The following are the temperatures of 10 days in winter in °C. − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3 Work out the mean
1 answer:
The mean temperature of the given data − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3 is 1.9
mean= 1.9
<h3>What is mean of the data?</h3>The mean, or average, is calculated by adding up the data and dividing by total number of data.
Given data: − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3
Now, mean =
mean =
=
mean= 1.9
Hence, the mean of − 3 , 0 , 10 , 2 , 8 , − 5 , − 1 , 9 , 2 , − 3 is 1.9
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Answer:
Step-by-step explanation:
- First, let's go over the <em>distributive property </em>in math. When you have any expression within a parenthesis being multiplied by any expression outside a parenthesis, you are distributing the values outside onto the values inside, like so:
⇒
- Hopefully this helps you break down how distribution works, but if you're still having trouble comprehending it, looking at examples will help. Now, back to the problem. Let's try this idea of distribution on the left side of the equation.
- Hopefully you could follow this math, but if not, there are plenty of materials online and in books on this. Be sure to look at those if you still have trouble.
- Now that we have done all the multiplication we can on the left side and only addition and subtraction remain, we can get rid of the parentheses.
- Now let's do distribution for the other side as well. Doing this will help us easily isolate
on one side after.
- Now, using addition and subtraction, let's move all our
- In case you're confused by the last step there, what I did was divide both sides by the coefficient in front of our
- The fraction
is technically correct, but it isn't simplified.
, so