The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

standard  deviation is 146 cm

Computed value of standard deviation is not near to original value.

Step-by-step explanation:

Given data:

n is number of brains = 50

low volume  = 904 cm

high volume of brain = 1488 cm

As we know that range is 4 times the standard deviation so we have

R = HIGH -  LOW

  = 1488 - 904

  = 584

Therefore we have

standard deviation

standard  deviation is 146 cm

Original deviation is given as 175.5 cm

Computed value of standard deviation is not near to original value.

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation:

4 puzzles in 3 hours

step-by-step explanation: