ACTIVITY 4 MEASURE OF CENTRAL TENDENCY Perform the following. Show your solutions A. Summation Notation B. Prepare the analysis and interpretations of the following. (Show your complete solutions) 1. Write the following expressions in expanded form: PROB. 1 The following are the fasting blood glucose a) 4Xi c E(xi + 2X1) levels of sample of 10 children. No Value b) _ (ri -5) ) 4Xiri 1 56 1-2 2 62 2. In the given Data , 3 63 X1= 5, x2= -2 , X3= -1 , x4 = 7 , x5= 2 4 65 y1= 1, y2= 6 , y3= -4, y4 = -3, ys= -5 5 65 6 65 Evaluate the following : 7 65 a) (5- X1) c) xi/Yi 8 68 1-2 9 70 10 72 b) ESYi d) [ (3Yi -XP ) Compute the ff: a.Mean b. Median C. mode 1- 1 2 el 2 xi-Yi Ex -7) PROB. 2 The result of a survey conducted is presented in the table below: 5 - Strongly Agree 4 -Agree 3 - Undecided 2 - Disagree 1 - Strongly Disagree Response Question 5 4 3 2 1 Studying Mat 3 while having music 35 22 20 13 10 motivates me a lot. Determine the weighted response of the 100 respondents