Question
Statistics for Economics Question on Hypothesis testing
Let 𝜋 be the proportion of a population vaccinated against a disease. An estimate ̂𝜋 = 0.64 is found using a sample of 100 individuals from the population. The 𝑧 test statistic for the null hypothesis 𝐻0 : 𝜋 = 0.58 is ________ (round off to 2 decimal places).
Answer
The correct answer is: 1.20 or 1.26 (approx.)