how to get 1.65 ? And what is z-cal?

.11 Mint 4:12 Expert Q&A 0 Expert Answer Stat101 1 hour later NULL HYPOTHESIS H0:11d = 0 ALTERNATIVE HYPOTHESIS Ha:11d0 alpha-0.1 since sample size is large we will use Z statistic test statistic dbar/s/sqrt(n) Z--0.258/3.752/sqrt(480) Z- -0.258/3.752/21.91 Z- -0.258/0.17 Z--1.52 Since test is two tailed test we have Z= 1.52 critical value of Z is 1.65 Decision Rule: Reject H0 if Z cal> Z cri Conclusion: Since Z crit > Z cal we fail to reject null hypothesis and conclude that we don't have enough evidence to conclude that there is difference between S&P 500 and small Cap returns. Was this answer helpful? 1 0