GETS BRAINLIEST AND 11 PTS!

The dot plots below show the distances traveled by two groups of skaters: Two dot plots are labeled Group X and Group Y. The horizontal axis is labeled Distance Traveled and marked from 15 to 40 at increments of 5 for both dot plots. Group X shows 3 dots on 20, 7 dots on 25, 1 dot on 30, 2 dots on 35, 5 dots on 40. Group Y shows 3 dots on 15, 2 dots on 20, 6 dots on 25, 4 dots on 30, and 3 dots on 35. Which of the following inferences can be made using the dot plots? Group X has a higher mean than group Y. Group Y has a higher mean than group X. There is no overlap between the data. The range of each group is different.

Respuesta :

add the total of both groups and divide by the total number in each group

 Group X = 535 / 18 = 29.72 mean

group Y = 500 / 18 = 27.78 mean

Group X has the higher mean


The answer is 
A. Group X has a higher mean than Group Y.