Which of the following statements is TRUE about Population I stars and II stars?

W) Population I stars tend to be older than Population II stars

X) Population I stars of a given mass tend to be more luminous than Population II stars of the same mass

Y) Population I stars tend to be found in the spiral arms of galaxies, while Population II stars tend to be found in globular clusters

Z) Population I stars tend to have fewer heavy elements than Population II stars
Y) POPULATION I STARS TEND TO BE FOUND IN THE SPIRAL ARMS OF GALAXIES, WHILE POPULATION II STARS TEND TO BE FOUND IN GLOBULAR CLUSTERS