Ask question

Ask question

All categories

3 years ago

13

A stratified sample in which the number of sampling units drawn from each stratum is in proportion to the population size of the

stratrum is called

1 answer:

jekas [21]3 years ago

6 0

Noooooooooooooooooooooooo

You might be interested in

Simplify the expressions and find the value:

Dahasolnce [82]

Answer:

$x(x−3)+2=x.x−3x+2 \\ =x2−3x+2 \\F or x=1 \\ putting \: x=1 \: in \: expression \\ x2−3x+2=(1)2−3(1)+2 \\ =1−3+2 \\ =3−3 \\ =0$

$Solve \: 3y(2y−7)−3(y−4)−63 for y=−2 \\ First \: simplify \: it, \\ =6y2−21y−3y+12−63 \\ =6y2−24y−51 \\ Put \: y=−2 \: =6(−2)2−24(−2)−51 \\ =6×4+48−51 \: 6×4+48−51 \\ 24+48−51 \\ =21$

3 0

3 years ago

6 × 4 grid is divided into unit squares, Find the number of squares, of any size, in the grid.

yawa3891 [41]

Answer:

51

Step-by-step explanation:

5 0

3 years ago

Help with number 3 and 4 im stuck

Sonbull [250]

1.5,1.25,1.75,3.5 for number 3

8 0

3 years ago

Need help ASAP please--about estimate. which answer is correct. Please give me an opinion. Three students were asked to use esti

tensa zangetsu [6.8K]

B, if I’m wrong then it’s C.

6 0

3 years ago

-3x+20+7x=80 what is x? and how do I get it?

Svet_ta [14]

Answer:

x = 15

Step-by-step explanation:

-3x+20+7x=80

Combine like terms

4x+20 = 80

Subtract 20 from each side

4x+20 -20 = 80-20

4x = 60

Divide by 4

4x/4 = 60/4

x = 15

3 0

3 years ago