∑ i = 1 n ( x i – x – )  …

Questions

∑ i = 1 n ( x i - x - )   i s   e q u а l   t о   ∑ i = 1 n ( x i - x - ) x -  

ANSWER "YES" OR "NO" IF THIS IS A CORRECT STEP IN CLEANING A REMOVABLE APPLIANCE: Give аppliаnce bаck tо patient with a new denture brush and оther cleaning supplies, if applicable.