(a) A researcher uses Excel to analyse data and test a hypothesis. The program reports a test
statistic of z = 1.77 (P-value = 0.077). Would you reject the null hypothesis if carrying
out (i) a one-tailed test (ii) a two-tailed test? Use the 5% significance level.
(b) Repeat part (a) using a 1% significance level.
Do you need assistance with a similar Statistics assignment? Engage an expert by clicking ORDER NOW for instant services.