Question

An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug. If the population mean is 23.5 grams with a standard deviation of 3.4 grams, what is the margin of error of the sample mean?

Answer 1

A.0.097 grams
B.0.575 grams
C.0.701 grams
D.1.149 grams
E.1.403 grams

Answer 2

@hartnn

Answer 3

@amistre64

Answer 4

@whpalmer4

Answer 5

standard deviation divided by the sqrt(sample size)

Answer 6

3.4/sqrt(?)

Answer 7

whats the saple size

Answer 8

\[E=\frac{\sigma}{\sqrt{n}}\]

Answer 9

do you know the sample size or is it suppose to be missing

Answer 10

or is it 23.4?

Answer 11

how many pigs did they experiment on?

Answer 12

35

Answer 13

then the size of the sample is ... 35

Answer 14

oh lol im stupid

Answer 15

e=3.4/35?

Answer 16

square root of 35

Answer 17

3.4/sqrt(35)

Answer 18

i forgot that

Answer 19

i got it