Formally test whether oligofructose stimulates calcium

Formally test whether oligofructose stimulates calcium absorption in healthy males aged 14 to 16 years.

include all relevant elements of a hypothesis test. Assume α =0.05.

(A double-blind randomised experiment investigated whether consumption of oligofructose would stimulate calcium absorption in healthy human males aged 14 to 16 years. Two sets of pills were prepared, identical in appearance and packaging. The data columns are headed “Placebo” and “Oligofructose” to indicate which pill was being taken when calcium absorption was measured. Each row contains two calcium absorption measurements from a single subject.)