In: Statistics and Probability
In the United States, first grade kids have an average friendliness score (FS) of 24 with a standard deviation of 4. Also these first grade classes all have 23 students in them. Use this information to answer questions #26-#29.
What percent of classrooms have FS averages between 23.28 and 23.77?
What is the percentile rank of a child with FS equal to 22.88?
What percent of classrooms have FS averages less than 26?
What percent of classrooms have average friendliness scores between 24.11 and 24.37?