Question: [6 points] You are a researcher interested in children’s literacy skills, measured with a set of standardised assessments of single word reading (BASR) and spelling (BASSp). Create a new variable that represents the average of reading and spelling performance in the sample. Using your knowledge of data screening procedures, answer the following questions for your new variable.

a. Provide descriptive statistics of central tendency and dispersion on this new variable [3 pts]

b. Is the variable normally distributed? Give at least one graphical and one statistical test [3 pts]