Question

I need help with find the lower and upper limit....

in the numa Menta Ratan at on an article r Pn tad he results af a peer ut nn program to he mil y mental y retarde chi dran am to read n he expenment Form 7 ? he Gates MacGinhe Re dng Test was a nistered to hath an experimental oun and cun o group after 6 weeks O ris ucuun dunng wh ch he expel rnen el igroup 'ecerved pee uur ng cnd ult cunuo group ud not Fur he experimen al group n? = 30 ch dren ule mean score ori he vocabulary puruono he es was x1 68 4, with sari e tandard deviation s? 39.1 ' he average score on the vocabulary portion of the test for the n2 = 30 subjects n the control group was x2-349.4 with sample standard deviation s'2 50.6

Answer 1