The number of times four people go grocery shopping in a month is given by the population values 51, 3, 5, 76. A probability histogram for the data is shown at the left. You randomly choose two of the four people, with replacement. List all possible samples of size n = 2 and calculate the mean of each. These means form the sampling distribution of the sample means. Find the mean, variance, and standard deviation of the sample means. Compare your results with the mean μ = 4, variance σ² = 5, and standard deviation σ = √5 ≈ 2.2 of the population.