In checking conditions for constructing confidence intervals

Last updated: 3/8/2023

In checking conditions for constructing confidence intervals for a population mean it s important to plot the distribution of sample data Below are dot plots describing samples from three different populations For which of the three samples would it be safe to construct a t interval Plot X 01 Select one 3 4 5 6 7 8 9 Plot Y 0123456789 a Plot Y only b Plot X only c Plots Y and Z d Plot Z only e None of the plots 2 1 Plot Z 0 1 2 3 4 5 6 7 8 9