Leonard runs a study using a sample of 20 participants. Those 20 participants score an average of 8.5 points on the auditory task administered. However, Leonard realizes later that he made a mistake when recording one participant’s score. Therefore, he changes that score from X=6 to X=9. What is the new mean of Leonard’s sample?

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.

30005

yes ok                                            

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)