From the Chi-square p-value=0.04 0.05. Therefore, we reject the null hypothesis and conclude that performance and age are not independent.
95% Confidence Interval :
Sample Mean 92871537.07
Sample(n) 10000
SD9081062868
Confidence Interval95%
Lower Limit=sample mean-NORM.S.INV(0.975)*(SD/SQRT(sample))
Upper limit=sample mean-NORM.S.INV(0.975)*(SD/SQRT(sample))
Lower Limit-85114024.56
Upper Limit270857098.7
Therefore, 95% confidence interval for “Gross output – Year 3 (Rs)” is given as (-85114024.56, 270857098.7)