Answer to Question #154451 in Statistics and Probability for Alexander

Question

Calculate the 4 point moving averages for this list of data 5,3,6,8,7,5,3,5.

Answer 1

$MA_i=\frac{x_i+x_{i+1}+x_{i+2}+x_{i+3}}4\\ Hence\\ MA_1=\frac{5+3+6+8}4=5.5\\ MA_2=6\\ MA_3=6.5\\ MA_4=5.75\\ MA_5=5$