Sample standard deviation

For a sample with M = 80, a score of X = 88 corresponds to z = 2.00. What is the sample standard deviation?Question 1 options: 2 4 8 16Question 2 (1 point) For a population with μ = 80 and σ = 6, what is the z-score corresponding to X = 68?Question 2 options: –0.50...