A random sample of 50 individuals provided the following data: Ubtan a 4% contdence interval for savings account balance at population level. [11299.62, 20272.24] [10435.32 , 24525.54] [23679.95 , 32652.57] [13525.65,27535.53] Number of Deliveries to 40 destinations showed the following: Is the data distribution skewed? Yes, it is slightly skewed to the left (Skewness=0.151) Yes, it is slightly skewed to the right (Skewness =0.151 ) Yes, it is slightly skewed to the left (Skewness=-0.151) No, the distribution is symmetrical