Bakit mahalagang maintindihan ng mga tao ang mga imahinasyong guhit sa mapa o globo? A. Dahil matutukoy nila ang mga anyong tubig at lupa
B. Dahil matutukoy nila ang mga karatig bansang ng isang bansa
C. Dahil malalaman nila ang lokasyon ng mga bansa sa daigdig
D. Dahil makakatulong ang mga guhit sa pagtukoy niya ng tiyak na lokasyon

The difference of sample means of two populations is 55.4, and the standard deviation of the difference of sample means is 28.1. which statement is true if we are testing the null hypothesis at the 95% confidence level? a. the difference of the two means is significant, so the null hypothesis must be rejected. b. the difference of the two means is significant, so the null hypothesis must be accepted. c. the difference of the two means is not significant, so the null hypothesis must be rejected. d. the difference of the two means is not significant, so the null hypothesis must be accepted.