Sodium Chloride Measurements of water intake, obtained from a sample of 17 rats that...

Sodium Chloride Measurements of water intake, obtained from a sample of 17 rats that had been injected with a sodium chloride solution, produced a mean and standard deviation of 31.0 and 6.2 cubic centimeters (, do the data indicate that injected rats drink more water than non injected rats? Test at the 5% level of significance. Find a 90% confidence interval for the mean water intake for injected rats.