Suppose that there are 5 children in a gymnastics class. One day, they count the number steps each person takes while walking on their hands until they lose their balance and come down. The results are: Chloe (20), Michael (8), Helen (22), Joshua (26), and Laura (24).
The mean number of steps these children took while walking on their hands is 20 steps.
(a) Identify the population and the parameter.
(b) List all 10 possible SRSs of size n=2. Calculate the mean number of steps taken while walking on their hands for each sample.
(c) Display the sampling distribution of the sample mean on a dotplot.