The following data represent the final grades in ELK 221E of 50 students. Choose appropriate data file according to your student ID and using a computer program of your choice (MATLAB, EXCEL, SPSS,...

I tried to solve this question too much but cant succes. Can you solve this in whatever u want programming.

Extracted text: The following data represent the final grades in ELK 221E of 50 students. Choose appropriate data file according to your student ID and using a computer program of your choice (MATLAB, EXCEL, SPSS, MINITAB, etc.) the 1. Compute the sample mean, median, mode, sample variance and standard deviation. 2. Compute the first, second and third quartiles. 3. Construct a frequency distribution table. 4. Construct a relative frequency histogram. 5. Calculate the skewness and excessive kurtosis. 6. Construct a cumulative frequency histogram 7. Construct a box-plot diagram. Write down the equations that the program uses to calculate the given statistics.


Extracted text: 68 44 66 90 80 92 68 54 80 90 58 78 70 86 52 58 51 90 57 59 97 48 66 80 73 38 52 75 60 66 66 45 2 54 63 63 52 75 80 93 82 51 84 68 66 78 68 55 48 88