Find the Mode, Mean, Median and Quartiles. Between what values did the middle 50% of students' scores fall? Score Frequency 14 or less 11, 15 12 ,16 22 ,17 40, 18 53,19 79,20 77?​

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

y=x+9

?

step-by-step explanation:

step-by-step explanation:

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