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Hatshy [7]
3 years ago
10

What does mean, median and mode mean?

Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0
Mean: Fancy word for the "average". Add all of the numbers up and divide by how many numbers there are

Example: Say you have the numbers 3, 4, 6 and 7. Add all of them up to get 20. Since we started with 4 numbers, you do 20 / 4 = 5. The average of those four numbers is 5

Median: This one is weird. Basically, you have to line all the numbers up from least to greatest, and then count to the middle.

Example: Say you have the numbers 3, 7, 3, 4, 5, 2, 4
First, line them up from least to greatest: 2, 3, 3, 4, 4, 5, 7
Then count to the middle of the 7 numbers
4 is in the middle (there are three numbers before and after it), so 4 is the median

Sidenote: if you have an even number of numbers, like 2, 2, 3, 3, you go in the middle and say 2.5

Mode: This one is pretty easy. Mode is basically the number that is most common in a set of numbers

Example: Say you have the numbers 3, 3, 3, 3, 4, 5, 5, 8, 8, 8,
There are four 3's, three 8's, two 5's, and one 4
3 occurs the most amount of times so it is the mode.

I hope that makes sense.
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sing traditional methods, it takes 108108 hours to receive a basic driving license. A new license training method using Computer
solniwko [45]

Answer:

z_{stat} = -1.50            

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 108

Sample mean, \bar{x} = 107

Sample size, n = 110

Alpha, α = 0.02

Population standard deviation, σ = 7

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{107 - 108}{\frac{7}{\sqrt{110}} } = -1.50

The test statistic is -1.50

8 0
3 years ago
An angle measured 10 degrees less than the measure of its complementary angle. Find the measure of both angles
Mazyrski [523]

Answer:

The measure of the angles are 40 degrees and 50 degrees

Step-by-step explanation:

Let

x ----> the measure of one angle in degrees

y ----> the measure of the complementary angle in degrees

we know that

If two angles are complementary, then their sum is equal to 90 degrees

so

x+y=90 ----> equation A

we have that

x=y-10 ----> equation B

Substitute equation B in equation A and solve for y

(y-10)+y=90\\2y-10=90\\2y=100\\y=50

Find the value of x

x=50-10=40

therefore

The measure of the angles are 40 degrees and 50 degrees

3 0
3 years ago
I mainly need help on 2 please thanks for the first one though
sleet_krkn [62]
2) 1 4/5

3) 2

4) 4 1/3

5) 3 4/8 or 3 1/2

6) 6 2/8
7 0
4 years ago
Stacie had a meal that cost $36.00. If she tipped the waited 18% of the total bill for the service, How much was the tip?
Dovator [93]

18% = 0.18

Tip = $36.00 x 0.18 = $6.48

Total bill = $36.00 + $6.48 = $42.48

Answer:

Total bill = $42.48

Tip = $6.48

6 0
3 years ago
Solve for x 3 (x + 5) = 9​
kicyunya [14]

Answer:

- 2

Step-by-step explanation:

3 ( x + 5 ) = 9

x + 5 = 9 / 3

x + 5 = 3

x = 3 - 5

x = - 2

3 0
3 years ago
Read 2 more answers
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