Please help me solving this problem.with the detailed steps.
1. Convert the score of 88 to a standard score. Draw the number line and place the score appropriately. mean=93.14,median=95, s=5.33 What % of students scored above 88 and what % scored below scores 80,83,85,88,90,91,92,93,93,93,95,96,96,96,97,97,97,97,98,98,99
2.convert the following raw scores to z scores 40,55,75,80. mean63, median62.50, standard deviation13.32 20 students. what % of students scored above 55 and 75, what % scored below 55 and 75.
Excel file attached shows how to convert a score to standard, and raw scores to z scores.