The following are scores of 15 college students on a measure of altruism (meaning, concern for the well-being of others). High scores represent higher levels of altruism, with the highest score possible being 100 .
90,94,53,68,79,84,87,72,70,69,65,89,85,83,72
For these data, calculate the variance, σ². Round to the nearest tenths place if a fraction. The variance is:
◯ 121.2
◯ 77.3
◯ 11.0
◯ the variance is a value not listed in alternatives "a" through "d
◯ 91524.0