8.
									
										When the relationship is of quantitative nature, the appropriate statistical tool for discovering and measuring the relationship and expressing it, in brief formula is known as
									
								
															
														
																									
										A:
											Sampling Theory 
									
																										
										B:
											Correlation 
									
																										
										C:
											Average
									
																										
										D:
											Regression Analysis
									
																								 
							
																
									The answer is:
										B
									
								
														
							
								
								
							
							
							
								