The P-value for a test about a mean with n = 25 is P = 0.05.

(a) Find the t test statistic value that has this P-value for (i) Ha: μ = 0, (ii) Ha:μ > 0, (iii) Ha:μ < 0.

(b) Does this P-value provide stronger, or weaker, evidence against the null hypothesis than P = 0.01? Explain.