Answer:
SE = 0.1590 (approx.)
Step-by-step explanation:
By sample standard deviation, we mean standard error. Hence, we have that:
SE = [tex]\frac{\sigma}{\sqrt(n)} }[/tex]
Therefore, Standard deviation (σ) = 0.6929891
The sample size (n) = 19.
Hence:
SE = 0.1589826.
SE = 0.1590 (approx.)
########## The R codes below#########################
f = c(98.0, 98.2, 97.9, 98.7, 97.8, 98.5, 98.8, 97.9, 99.3, 97.9, 96.7, 97.5,
98.6, 96.6, 98.2, 97.6, 98.2, 99.0, 97.8)
n=length(f)
ssd = sd(f)/sqrt(n)
###################################################
