Use the following scenarios to figure out if you would use the z formula for individual scores or samples.

A) Individual scores z formula

B) Sample scores z formula

_____ 1)A store manager wants to know how the November sales from her store compare to the rest of the population.

_____ 2) A cross country coach wants to know how the average 2-mile running time for their high school's 10 team members compares to the national average.

_____ 3) A test prep company publishes that the group of students who took their course last academic year outscored the rest of the population.

_____ 4) Nina wonders how her standardized reading test scores compare to the rest of the population that took the test.