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Anton [14]
3 years ago
5

I will mark you brainiest if you can answer this

Mathematics
1 answer:
Katarina [22]3 years ago
4 0

Answer:

C

Step-by-step explanation:

Gl :>

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PLEASE HELP!!!
Grace [21]
<h3>Answer: B)  2.9  approximately</h3>

==================================================

Explanation:

The weird or fancy looking E symbol is the greek uppercase letter sigma. It is effectively the english version of S to represent summation. So we add up all the (x-\overline{x})^2 terms to get this. Luckily this has already been done for us in the table where they wrote "sum = 34", so \sum(x-\overline{x})^2 = 34

From here, we substitute this into the formula, along with n = 5 since there are 5 items in the original list

So,

s = \sqrt{\frac{1}{n-1}\sum(x-\overline{x})^2} \\\\s = \sqrt{\frac{1}{5-1}*34} \\\\s = \sqrt{\frac{1}{4}*34} \\\\s = \sqrt{0.25*34} \\\\s = \sqrt{8.5} \\\\s \approx 2.91547594742266 \\\\s \approx 2.9 \\\\

This computes the sample standard deviation. To get the population standard deviation, you'd basically change the "n-1" to simply "n", and the rest of the formula is identical.

8 0
3 years ago
Read 2 more answers
You make 12 per hour and work for 40 hours in week.3% of your paycheck is taken by taxes.After taxes how many of your salary wil
wariber [46]

Answer:

$478.56

Step-by-step explanation:

12*40=480

.003(.3%)*480=1.44

480-1.44=$478.56 after taxes.

4 0
3 years ago
During a 10-year period, 6 out of 30 Major League Baseball teams won the World Series. What percent of Major League Baseball tea
zepelin [54]

Answer: 20% of Major League Baseball teams won the World Series during the 10-year period

Step-by-step explanation:

The total number of Major League Baseball teams is 30.

During a 10-year period, 6 out of 30 Major League Baseball teams won the World Series.

Therefore, the percentage of Major League Baseball teams won the World Series during the 10-year period would be

6/30 × 100 = 0.2 × 100 = 20%

6 0
3 years ago
What is the perimeter of this rectangle?
DanielleElmas [232]
P= 2(1 + h)

P= 2(8 + 13)

P= 2(21)

P=42

Your answer is 42
7 0
3 years ago
I have 30 ones 2 thousands,4 hundred thousands 60 tens, and 100 hundreds
zubka84 [21]

Answer:

52630

Step-by-step explanation:

Simplify into numbers.

30 + 2000 + 40000 + 600 + 10000

Add.

52630

3 0
4 years ago
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