Find the percentile for the score of 90 given the following scores: 80, 90, 95, 75, 70, 90, 92, 94, 88, 100, 20th Percentile
40th Percentile
50th Percentile
60th Percentile

a. -0.3 > -0.33

hiking down a winding trail.

step-by-step explanation:

answer is 33

step-by-step explanation:

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33