Gina is finding the equation of the median-median line for the data set below. what should she use for the summary points?

Question

Gina is trying to find the equation of the median-median line for the data set below. What summary points should she use? 
Minutes studying (x): 0, 5, 10, 10, 15, 20, 25, 30, 30
Test score (y): 68, 61, 54, 64, 73, 76, 80, 79, 85  
Group 1: (10, 61); Group 2: (15, 64); Group 3: (30, 80)
Group 1: (5, 61); Group 2: (15, 73); Group 3: (25, 79)
Group 1: (10, 54); Group 2: (20, 76); Group 3: (30, 79)
Group 1: (5, 61); Group 2: (15, 73); Group 3: (30, 85)

Anonymous · Accepted Answer

Minutes studying(x) 0 , 5 , 10 , 10 , 15 , 20 , 25 , 30 , 30Test score(y)            68, 61, 54, 64, 73, 76, 80, 79, 85The median of x is 15 (The middle value)Median of y would be 73 (The middle value)So group 2 would be (15,73)Here is the sequence 'x' without median 0 , 5 , 10 , 10, 15The median would be 10.Here is the sequence 'y' without median 54, 61, 64, 68, 73The median is 61.Hence,So group 1 will be (5, 61).73, 76, 79, 80, 85 median of 'y' would be 7915 , 20 , 25 , 30 , 30 median of 'x' would be 25so group 3 would be (25 , 79)Therefore the right answer is :Group 1: (5, 61); Group 2: (15, 73); Group 3: (25, 79)

Anonymous · Answer

The answer to this question is Group 1: (5, 61); Group 2: (15, 73); Group 3: (30, 79)

Anonymous · Answer

X=y+4 is the answe

Bernice Ortiz · Answer

30 feetstep-by-step explanation: that would be 2 1/2 * 12= 24 + 6= 30 feet   (answer)

Anonymous

Gina is finding the equation of the median-median line for the data set below. what should she use for the summary points?

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