The Standard Deviation is a measure of how spread out numbers are. You might like to read this simpler page on Standard Deviation first. But here we explain the formulas. The symbol for Standard Deviation is σ (the Greek letter sigma)

8 0

3 years ago

Read 2 more answers

Answer this question please and thank you

Stella [2.4K]

Answer:

2.453

Step-by-step explanation:

2.641

1.98

————-

2 .4 5 3

i think

5 0

3 years ago

Math <br>it's just multiplying and dividing fraction. <br>just 7 & 8

neonofarm [45]

7.
$( \frac{6}{5} ) \: ( - \frac{10}{9} )$
find a common denominator

it will turn into 54 over 45 times -50 over 45

multiply across, leaving the denominator the same

divide the numerator by the denominator

leaving you with 60

ANSWER: 60

8.
$- 3 \div \frac{7}{8}$
Turn the whole number into a fraction by multiplying 3 by 8, also write an 8 under your answer, put the negative in front of the fraction

now we have -24 over 8 divided by 7 over 8
divide -24 by 7

now we have -3 over 8

ANSWER=
$- \frac{3}{8}$

6 0

3 years ago