It is known that the population mean for the verbal section of the sat is 500 with a standard deviation of 100. in 2006, a sample of 400 students, whose family income was between $70,000 and $80,000, had a verbal sat score of 511. the point estimate of the mean for this group is .
c) 493.55, 506.45
d) 504.55, 517.45
the second one is wrong
ia. mver.y..sor .r..yinee..i am.ina.rush.pleas eforg.ive meiknowiama. nas.s holei apalo.gize
answer; the above statement/question is (false);