improve act math score

The ACT Mathematics and Statistics scores for 7 students are shown. Determine the correlation coefficient, the equation of the regression line and predict the value for y ′ when x = 20. Maths ACT 15 30 23 27 11 22 18 Statistics ACT 1..

Whose score is twice the score of John? => Edd or Bob or Mathew or John..

Jessica scored less than 71 on a math test and her score is divisble by 3. What could be her score? => 48 or 81 or 52 or 44..

The food agency inspected a sample of 500 pastries from a bakery and found that 15 were spoiled. After improving the quality of production, the agency inspected a new sample of 900 pastries from the bakery and found that 20 were spoiled. What is the probability of spoiled pastries after h..

The work done in stretching a spring 10 m is 1000 newton-meters. What is the amount of force acting on the spring? => 300N or 100N or 200N or 10N or 20N..

The graph shows Rachel's test scores. What is Rachel's score on the Math test? => 50 or 60 or 40 or 80..

The stem and leaf plot represents the golf scores of a player. Find the highest score. => 100 or 89 or 99 or 65..

The table shows Irena's scores in a review test. Find the median score. => 88 or 35 or 75.4 or 77..

The table shows Irena's scores in a review test. Find the median score. => 77 or 75.4 or 35 or 88..

Robert scored 35 in Math. Amy scored 16 in Math. How many more marks did Robert score than Amy? => 9 or 21 or 19 or 51..