DP Mathematics SL Questionbank

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Directly related questions

• 18M.2.sl.TZ2.1b: Use your equation to estimate the mean weight of a child that is 1.95 years old.
• 18M.2.sl.TZ2.1a.ii: Write down the correlation coefficient.
• 18M.2.sl.TZ2.1a.i: Find the value of a and of b.
• 18M.2.sl.TZ1.8c: The relationship between x and y can be modelled using the formula y = kxn, where k ≠ 0 , n ≠ 0 ,...
• 18M.2.sl.TZ1.8b: Use the regression equation to estimate the value of y when x = 3.57.
• 18M.2.sl.TZ1.8a: Find the value of a and of b.
• 17N.2.sl.TZ0.8e: Adam decides to increase the number of bees in each low production hive. Research suggests that...
• 17N.2.sl.TZ0.8d.ii: Find the number of hives that have a high production.
• 17N.2.sl.TZ0.8d.i: Find the value of \(k\);
• 17N.2.sl.TZ0.8c: Write down the number of low production hives.
• 17N.2.sl.TZ0.8b: Use this regression line to estimate the monthly honey production from a hive that has 270 bees.
• 17N.2.sl.TZ0.8a: Write down the value of \(a\) and of \(b\).
• 16M.2.sl.TZ2.8d: Find the year when Lina sells her car.
• 16M.2.sl.TZ2.8c: Calculate the price of Lina’s car after 6 years.
• 16M.2.sl.TZ2.8b: Use the regression equation to estimate the price of Lina’s car, giving your answer to the...
• 16M.2.sl.TZ2.8a: (i)     Find the correlation coefficient. (ii)     Write down the value of \(a\) and of \(b\).
• SPNone.2.sl.TZ0.8a: Write down the equation of the regression line of y on x .
• SPNone.2.sl.TZ0.8b(i) and (ii): Use your regression line from part (a) as a model to answer the following. Interpret the meaning...
• SPNone.2.sl.TZ0.8c: Estimate the cost of producing 60 boxes.
• SPNone.2.sl.TZ0.8d: The factory sells the boxes for $19.99 each. Find the least number of boxes that the factory...
• SPNone.2.sl.TZ0.8e(i) and (ii): Comment on the appropriateness of using your model to (i)     estimate the cost of producing...
• 14M.2.sl.TZ1.3a(i): The relationship between the variables is modelled by the regression equation \(y = ax +...
• 14M.2.sl.TZ1.3a(ii): The relationship between the variables is modelled by the regression equation \(y = ax +...
• 14M.2.sl.TZ2.3a(i): Write down the value of \(a\) and of \(b\).
• 14M.2.sl.TZ2.3a(ii): Explain what the gradient \(a\) represents.
• 14M.2.sl.TZ2.3b: Use the model to estimate the amount of fuel the car would use if it is driven \(110\) km.
• 15M.2.sl.TZ1.1a: (i)     Find the correlation coefficient. (ii)     Write down the value of \(a\) and of \(b\).
• 15M.2.sl.TZ2.3a: (i)     Find the value of \(a\) and of \(b\). (ii)     Write down the value of \(r\).
• 14N.2.sl.TZ0.2b: The relationship can be modelled by the regression line with equation \(y = ax + b\). Write down...
• 15N.2.sl.TZ0.9b: Use the regression equation to estimate the number of coyotes in the reserve when \(t = 7\).