3. (1 pt) round each number to the nearest tenth. what is the best estimate for the difference of 483.51 – 246.17? a. 230 b. 237.3 c. 237.4 d. 238 jk i give u 10 points

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?