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Burka [1]
3 years ago
8

Explain in math 8th grade - what mean, median and mode are?

Mathematics
2 answers:
irinina [24]3 years ago
7 0
Mean - is the average of something. You basically find the sum of all the numbers then divide the sum by how many numbers you added so for example I have 1,3,4and 2
To find the average you add them first to get 10 then you divide this by 4 since I added 4 numbers.

Median - is the number that falls in the middle. First you gotta sort the numbers from smallest to biggest then pick the one in the middle for example is I have 7,5,9,2and 1. I gotta sort it —-> 1,2,5,7,9 then I pick the number in the middle which is 5. So 5 is the median

Mode- is the number that appears the most times. So if I have the set 3,7,5,3,9,4,1,3 the mode would be 3 because it appears the most times
mina [271]3 years ago
3 0
Mean is the average

To calculate mean
Eg: 2, 5, 9, 3, 5, 4 7
There are 7 digits
(2+5+9+3+5+4+7) divide by 7
= 5 is the mean

Median is the middle value

To calculate mean, you have to reorder the data in a numerical order. Median is always the middle value so in this case: 5 is the middle value.

2, 5, 9, 3, 5, 4, 7
Ordered correctly: 2,3,4,5,5,7, 9
=5 is the median value

Mode is the most repeated number on the list, so for this care, the Mode is 5 because there are two “5” digits in this data.
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IgorLugansk [536]

Answer:

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3 years ago
A principle of $2000 is placed ina saving account at 3% APR compounded annually. How much is in the account after one year, two
Kisachek [45]

Answer:

1 year:  $2060

2 years: $2121.80

3 years: $2185.45

Step-by-step explanation:

Compound interest formula is A = P(1 + \frac{r}{n}^{nt) where A is the final amount, P is the initial principal balance, r is the interest rate, n is the number of times interest applied per time period, and t is the number of time periods elapsed. In our case, P would be equal to 2000 dollars, r would be equal to 0.03, for 3 percent, and our n value would just be one, so the final equation is:

2000(1.03)^t

First, let's evaluate t for 1, as in one year.

2000 * 1.03^1 = 2000 x 1.03 = 2060

Two years: 2000 * 1.03 squared = 2121.80

Three years: 2000 * 1.03^3 = 2185.45!

Hope this helps!

8 0
2 years ago
What is the value of the function at x = 3?<br><br> Enter your answer in the box.
butalik [34]

Answer:

4

Step-by-step explanation:

Recall a linear function, is a line on a graph made up of an infinite amount of points which satisfy the relationship. That means at x=3 there is a specific point on the line with an output. The value of a function at x=3 asks, what is the output y value for the input x value?

To find it, we locate 3 on the x-axis. We draw a vertical line directly to the line following the grid line. We mark the point on the line. We then draw a horizontal line directly to the y-axis following the grid line. The point we hit on the y-axis is the value of the function.

Here it is 4.

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Answer:

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Step-by-step explanation:

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Answer:

Answer is E hope this helps :)

Step-by-step explanation:

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