Question: A professor of Education is interested in the relationship between
A professor of Education is interested in the relationship between students’ visits to office hours held by professors and their final grades in the course. She has obtained voluminous data from Hardknocks University regarding these two variables. These data are cross-tabulated below.
She hypothesizes that the more visits made by a student to office hours, the higher the likely grade. Calculate the chi-square statistics for this table. Are the two variables related? To what extent? Explain your answer.
Answer to relevant QuestionsGeneral Halftrack suspects that Colonel Sy Verleaf is discriminating in his promotions by promoting more whites than nonwhites. The following table illustrates this hypothesis: When called in to explain, Colonel Verleaf ...A health advocacy organization is trying to isolate the sources of health problems in the city. Some debate centers on whether health problems are related to family income or to frequency of city garbage collection. The ...Two staff analysts for the city of Bridgmont, Pennsylvania, disagree regarding the effects of seniority and continuing education on promotions in the city government. One of them believes that seniority leads to promotions, ...Dick Engstrom and Mike MacDonald are interested in the relationship between African-American representation on city councils and the structure of the electoral system. Their independent variable is the percentage of African ...A researcher is interested in the relationship between income earned and federal tax paid. She regresses the amount of federal tax paid last year (Y) on the gross income earned (X) for a large sample of individuals and ...
Post your question