Atechnician determines the concentration of calcium in milk using two instrumental
methods. if fcalculated > fiable for the two sets of calcium data, what conclusions) can the
technician make? different
1 the difference in standard deviations for the two instrumental methods is
significant.
ii the difference in standard deviations for the two instrumental methods is not
significant
iii the data comes from populations with the same standard deviation
iv the data does not come from populations with the same standard deviation.
a) i and iii
b) i and iv
c) ii and iii
d) ii and iv
e) only ii