what is correlation

Positive correlation means ______. => points can be approximated by a line with a negative slope or points can be approximated by a line with a positive slope or points that cannot be approximated by a line or points can be approximated by a curve..

What kind of correlation does the statement describe? "As the number of workers increases, the number of days required to complete a work decreases (assume each person work at same rate.)" => Strongly positive correlation or Positive correlation or Negative h..

What is the upper bound the correlation coefficient r ? => 1 or 2 or 0 or -1..

Write the nature of the correlation shown in the scatter plot. => Strong positive linear correlation or Strong negative linear correlation or Weak positive linear correlation or Weak negative correlation..

Write the nature of the correlation shown in the scatter plot. => Strong negative linear correlation or Weak negative linear correlation or Strong positive linear correlation or Weak positive linear correlation..

Choose the graph wherein the line best fits as the negative correlation for the data points given. => Graph 2 or Graph 4 or Graph 3 or Graph 1..

What type of correlation does x and y have? => either positive or negative correlation or negative correlation or no correlation or positive correlation..

Identify the situation that correlates to the given number sentence. 11 + 12 = 23 => Mandy has 11 black, 12 yellow and 12 red marbles. Find the total number of marbles with her. or Two friends bought 11 shirts for $12 each. Find the total cost. or Steve ate 11 candies and his brother Mark..

There is a linear relationship between the dependent variable and the independent variables. This is called the ________ assumption. The independent variables are not correlated. This is called the _______ assumption. => nonmulticolinearity, linearity or linearity, independence or lineari..