level of significance is= 0.05

sample mean = -1.066

population or called as hypothesis mean is = 1.50

sample standard deviation=5.9542

1) calculated z test and explain formula on excel

2) calculated classical approach critical value

3) p.value approach at 5% significance level

hypothesis

ho: mean , the mean weekly share price return not above 1.50

h1: mean , the mean weekly share price return above 1.50