A Level Statistics: Unit 4 - Bivariate Data 0.0 / 5 ? StatisticsBivariate DataProduct Moment Correlation CoefficientsSpearmans Rank Correlation CoefficientsLeast Squares RegressionASEdexcel Created by: MrsHodgettsStatisticsCreated on: 13-06-22 15:36 93621847510 Across 1. The formula for proving the value of PMCC can be found on this page in the formula booklet (4) 4. This variable is the one that you measure in an experiment. On a scatter graph this will be plotted on the y axis (8) 5. The ___ moment correlation coefficients is a measure of the strength of a linear association between two variables (7) 6. The value of the a in the LSR represents this (1, 9) 8. Values of the correlation coefficient between -0.2 and -0.7 are said to be ___ negative (8) 9. This is when we estimate values from outside the data range (This is less reliable) (13) 10. The value of the b in the LSR represents this (8) Down 2. The value of b in the LSR tell us that for every increase of one in x, the increases by an ___ of b (7) 3. The least squares regression line is the statistical name for this (4, 2, 4, 3) 7. Values of the correlation coefficient between 0.7 and 0.9 are said to be ___positive (6)
Comments
No comments have yet been made