Activity 5 Correlation 1. The heights and weights of 10 basketball players in the PBA are randomly selected from different teams. Calculate the value of Pearson r and interpret the result. Player Height (X) Weight (Y) XY X2 Yz A 68 180 B 72 200 C 76 175 70 190 74 180 69 195 L - IOTMO 70 145 70 172 73 190 68 160 2. Compute for the value of Spearman rho and determine the degree of relationship between weight and height of bottle-fed infants using the same brand of milk. Infant Weight (X) Height (Y) RX RY D D2 27 0.70 2 25 0.64 3 28 0.77 23 0.62 21 0.60 20 0.62 29 0.77 24 0.64Name: Score: Section: Date: Activity 6 Linear Regression 1. The table below shows the monthly income (X) and the monthly expenses (Y) of 7 families in a certain barangay in Makati. Estimate the monthly expenditures of a family whose income is P 8 250. Monthly Monthly Family No. XY X2 Income (X) Expenses (Y) 6 600 4 980 2 5 875 4 680 3 7 250 5 650 4 925 3 700 5 5 678 5 668 5 975 4 260 6 950 6 380 References