I cant figure out what is wrong with this the Exam2Question2.xlsx is a (50,50) matrix you can simullate it with ones

3. Data input from Microsoft Excel Workbook. The given Excel workbook Exam2Question2.xlsx contains data in 50 rows and 50 columns. 1. Write an expression to read the 10th through the 20th rows of data from the 3rd column 2. Determine how many rows of elements you read and stores in (or assign to) num_rows. 3. Assign the variable name sum_data to the sum of data read from the excel workbook. Your Script C Reset MATLAB Documentation 1 % file name is Exam2Question2.xlsx filename = . Exam2Question2.xlsx'; 3 column xlsread (filename, C10:C20') 4 num_rows = size(C,1)