? Short question: 1. Describe multiple bar chart 2. Difference between positive correlation and negative correlation ? Long question: 1. Ayk probability wala tha xi | 1 | 2 | 3 | 4 | 5| f(xi) | 0.2 | 0.3 | 0.6 | 0.8 | 0.1| Find probability of distribution 3X-1 and square of X 2. Iss may 5 points given thy Jysay a. Obtained data from NADRA office b. a doctor collect blood sample from patient c. Data collected through a questionnaire d. Data obtained from the Federal Bureau of Statistics e. Data collected from the United Nations Organization(UNO) Iss ko identify krna tha k Kon sa primary data h or Kon sa secondary