Question

Who is really good at mean, median, and mode, and can help me?

Answer 1

wats the ques

Answer 2

Sure, I can help you.

Answer 3

what do u need help with

Answer 4

@Blu-Girl

Answer 5

Thanks, ok, I'll post them in a sec

Answer 6

hold on it'll be a moment b4 I post the questions... Ill just tag y'all when i'm ready

Answer 7

alright

Answer 8

Okay, just remember:

Mean is the average.

You add all the numbers and divide by how many numbers there are.

Median is the middle value.

You list the numbers in order of least to greatest, and find the middle value.

Mode is the number that is repeated the most.

Find the number that's repeated the most.

Answer 9

Median can be a little confusing.

If you have an odd number of values, it's easy to spot the middle term:

1, 5, 6, 9, 11

\(\color{lime}{1, 5, } \color{red}{ 6,} \color{blue}{ 9, 11}\)

The middle value is 6, so the median is 6.

However if you have an even number of values, it's a bit different:

2, 3, 5, 6, 7, 9

\(\color{lime}{2, 3,} \color{red}{ 5, 6,} \color{blue}{7, 9} \)

There seems to be 2 middle numbers.

You have to find the mean of these two numbers to find the real median.

5 + 6 = 11

11 / 2 = 5.5

So the median is 5.5.

Answer 10

thank you!

Answer 11

No problem.

Answer 12

Mean:

2, 5, 7, 10, 14, 15, 18

Add all the terms:

2 + 5 + 7 + 10 + 14 + 15 + 18 = 71

There are 7 numbers total.

Divide: 71 / 7 = 10.14

So the mean is approximately 10.14.

Answer 13

I mean, I'm actually not bad at those basic problems, it's just when it's being put into a word problem. Sometimes it confuses me, for example: In store A the price of mayo went down from $3.43 to $1.24. In store B, it went from $8.38 to $8.07. In store C it went from $8.82 to $2.32. What was the average decrease?

Answer 14

Mode:

5, 5, 6, 6, 6, 9, 9, 10, 14, 15

Here, you can see that 6 is repeated the most.

There can be two modes.

If you didn't have those 6's:

5, 5, 9, 9, 10, 14, 15

Then the mode would be 5 AND 9.

Answer 15

Mean is the average, so you will be finding the mean.

Answer 16

How do I know which #'s to use to find the average

Answer 17

It says to find the average decrease..so find all the decreases:

Store A: $3.43 - $1.24 = $2.19

Store B: $8.38 - $8.07 = $0.31

Store C: $8.82 - $2.32 = $6.50

Add these terms: 2.19 + 0.31 + 6.50 = 9.

There are three terms.

Divide: 9 / 3 = 3.

So the average decrease is 3.

Answer 18

Thank you... ok, so that's where I messed up before I didn't subtract the terms first thank you so much!

Answer 19

No problem!

Answer 20

You just have to read the question carefully.

Answer 21

Tag me if you need anymore help.

Answer 22

ok