Q3.You are monitoring your mobile data usage over time. Whenever the data usage reaches a fixed alert level, you record the data used (in GB) and the corresponding amount charged (in Rs). Let x denote the data used and y denote the amount charged. Based on previous observations, the best-fit linear model relating y and x is given by
y=12x−10.
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Q3
15 Mar 2026
Q3.You are monitoring your mobile data usage over time. Whenever the data usage reaches a fixed alert level, you record the data used (in GB) and the corresponding amount charged (in Rs). Let x denote the data used and y denote the amount charged. Based on previous observations, the best-fit linear model relating y and x is given by
y=12x−10.
