Answer:
- the sample mean is 44
- the sample standard deviation is 12.35
Step-by-step explanation:
given information:
data,
= 36.45, 67.90, 38.77, 42.18, 26.72, 50.77, 39.0, 50.23
the number of data, n = 8
the sample mean, xbar
xbar = ∑
/n
= (36.45+67.90+38.77+42.18+26.72+50.77+39.0+50.23)/8
= 352.08/8
= 44
standard deviation, s
s = 
= 
= 
= 12.35
Answer:
Step-by-step explanation:
well its 4.5-5.25= -0.75
Answer:
3
<em>Hope that helps! :)</em>
<em></em>
-Aphrodite
Step-by-step explanation:
Answer:
5:10
Step-by-step explanation:
$5-money he saves
$10-money he can spend