Select the correct answer

Calibration, in analytical chemistry, determines the relationship between:

A$.$ Response and standard deviation

B$.$ Correlation coefficient and signal

C$.$ Analyte concentration and analytical response

D$.$ Analyte concentration and average

The quantitative determination of lead in blood by spectrophotometric method generates a calibration equation of the form $Y=2\mathrm{.}11x0\mathrm{.}006.$ The blood lead concentration if the instrument response $(SA)$ is equal to $2\mathrm{.}80$ is:

A$.1\mathrm{.}29$

B$.1\mathrm{.}33$

C$.2\mathrm{.}81$

D$.2\mathrm{.}79$

The data in the following table were obtained during the colorimetric determination of glucose in blood serum. Using the external standard method, the glucose concentration is:

A$.4\mathrm{.}2mM$

B$.5\mathrm{.}8mM$

C$.7\mathrm{.}5mM$

D$.6\mathrm{.}0mM$

$\backslash$table$[[$Standards$,\backslash$table$[[$Glucose$],[$concentration$,mM$