Choose an appropriate model to determine if there is family income (FamilyIncome) difference between families with kids and families without kids? (Note: There is currently no column holding data about whether a family has kids. You may want to use the with() function in R to create a new column to hold the binary answers.)

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.

the language of nature was a manifestation from god as he said "let there be light" and there was light the world began to assume visible, comprehensible form.

what ever we know now think of the old vision of creation we can be sure that with out the speaking of word -without language- we would have no science today with its striking power to illuminate the world.

answer; validity;

answer; ethnocentrism;