independent and dependent variables math

The amount spent by Chris on a birthday party is a function of number of his friends whom he invited. Which of the following is a dependent variable? => Chris′s age or number of members in Chris′s family or number of friends Chris invited or amount spent by Chris on ..

Are the two events dependent or independent? 1.Choosing a milk bottle from the fridge. 2.Choosing a soft drink bottle from the fridge. => Independent or Dependent..

Are the two events dependent or independent? 1. Drawing a king from a pack of cards without replacing it. 2. Again drawing another king. => Independent or Dependent..

The means of each group of a two-way analysis of variance for two independent variables are plotted and shown in the three graphs. Which of these represents an ordinal interaction? Consider the interaction to be significant. => Graph 2 or Both graph 1 and graph 2 or Graph 3 or G..

A bag contains some red colored and blue colored marbles. First a red colored marble is drawn and then without replacing the first marble, a blue colored marble is drawn. Are the two events dependent or independent? => Dependent or Independent..

Jake works as a sales representative in a company. He earns $1,275 per month plus an 8% commission on his total sales. Identify the dependent variable in Jake's situation. => initial salary per month or commission or number of hours working per day or total sales..

ax + b = 0 is a linear equation in one variable. Consider the equation 2x + 4 = 0 2x = -4 x = -2 Since this equation is independent of y, for all values of y, x = -2 Hence x = -2 is a line parallel to the y-axis at x = -2. Consider the equation y - 5 = 0 y - 5 = 0 y = 5 Since th..

Which of the following statement(s) is/are true for correlation? I. If the change in one variable affects a change in the other variable, the variables are said to be correlated. II. Correlation coefficient is independent of change of origin and scale. III. I..

Select the requirements of a binomial probability experiment. I. There must be fixed number of trials. II. Each trial can have only two outcomes, or outcomes that can be reduced to two outcomes. III. The outcomes of each trial must be dependent on each other. IV. The outcomes of each tria..

Which of the following statement(s) is/are true? I. The multiple correlation coefficient denoted by R takes into account all the independent variables and can be computed by using the values of the individual correlation coefficients. II. R can range from - 1 to + 1. III. R can ..