If ππ ΰ΅ ππ, ππ ΰ΅ ππ, and bxy = – 0.8, then the value of correlation coefficient (r) is
Note: | The above multiple-choice question is for all general and Competitive Exams in India.Β |
Note: | The above multiple-choice question is for all general and Competitive Exams in India.Β |