Use the following sample data that represent quiz scores for Questions 1 -3. 6 9 16 14 8 7 12 4 13 11 Question 1: Calculate a point estimate for the average quiz score for the entire class. 8 11 12 oo 10 Use the following sample data that represent quiz scores for Questions 1-3. 6 9 16 14 8 7 12 4 13 11 Question 3: What is the MVUE for the average quiz score for the entire class? Sample median Sample proportion Sample mean Sample variance