Part 1b! Dependent Samples A study compared using genital swab versus bedside smear slide in detecting sperm in sexual assault victims. Both methods were used on n = 724 cases. For external tests, 199 cases tested positive on both genital swab and slide smear, 69 tested positive on genital swab and negative on slide smear, 31 tested negative on genital swab and positive on slide smear, and 42S tested negative on both genital swab and slide smear. Test whether there is a signicant difference in the proportions of all possible cases testing positive on the 2 methods of detecting sperm