9. The box plot below shows the amount spent for books and supplies per year by students at four-year public colleges- $1,750 1,400 1,050 700 350 a. Estimate the median amount spent. b. Estimate the first and third quartiles for the amount spent. c. Estimate the interquartile range for the amount spent. d. Beyond what point is a value considered an outlier? e. Identify any outliers and estimate their value. f. Is the distribution symmetrical or positively or negatively skewed?