Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
A developmental psychologist is examining problem-solving ability for grade school children.
2. A developmental psychologist is examining problem-solving ability for grade school children. Random samples of 5-year-old, 6-year-old, and 7-year-old children are obtained with n =three in each sample. Each child is given a standardized problem-solving task, and the psychologist records the number of errors. The data are as follows:________________________________________________0________________________________________________T = 3SS = 2________________________________________________a. Use these data to test whether there are any significant differences among the three age groups. Use α = .05.
