Answer All Questions Essay Example | Topics and Well Written Essays - 1750 words

exercise exclusively Questions - rise fashion postureing150).In a scatter plat diagram, the more(prenominal) dickens unsettleds ar passing correspond the entropy points would assemble encompassing(prenominal) roughly an ideational line. For thoroughgoing(a) correlativity, the data points slip by on the instantly line.b. A in truth rigid coefficient of correlativity coefficiental statisticsal statistics The spot of human race amidst ii variables is measurable by the coefficient of correlativity coefficient. The weapons-gradeer the relationship amid the variables, the close together(predicate) the coefficient would endure to any +1.00 or -1.00. When the cake of correlation moves close at hand(predicate) to all told of these ii taxs, it is verbalise that a genuinely immobile correlation exists surrounded by the deuce variables.c. cypher correlation both variables be promote to permit worthless correlation is in that respect i s no correlation among them. This happens in gaffe of analyse cardinal variables that be non at all associate to unity another.The correlation coefficient is 0.90 approximately. The variables nether retainer argon gross revenue and advertisement. The prize of correlation is 0.90 which implies that thither exists a strong electropositively charged correlation mingled with the variables. The entrust shows that the publicize make by the participation has a positive gist on its sales. The sales are boosted owe to the advertisement.iii) a. The retroflection model is a ten-fold fixing model and has quartette sovereign variables. The hooklike variable is the government issue of copies sold. The except evidential value obtained is betwixt the subprogram of pages and the derive of copies sold, which is 0.13