Hello, I need help with a statistics assignment and wanted to ask a couple of questions for this data. Use the data to answer these questions and use Microsoft excel spreadsheets.1. What's the mean of the pretest scores?2. What's the mean of the protest scores? 3. What's the median of ?pretest scores?4. What's the median of post test scores? ?5. What is standard deviation of pretest scores? ?6. What is the standard deviation of post test scores? ?7. What's the variance of pretest?8. What's the variance of post test? ?9. What's the total number of observations (participants) Each participant has one pre-test score and one post test score. Answer as a whole number. (No decimals needed!).10. What's the kurtosis of the pretest scores? Make sure to include the proper symbol of it is negative?11. What's the kurtosis of the post test scores? Make sure to include the proper symbol of it is negative?12. What's the skewness of the pretest scores? Make sure to include the proper symbol of it is negative? 13. What's the skewness of the post test scores? Make sure to include the proper symbol of it is negative? 14. What is the lowest score on the pre test? Answer as a whole number.15. What is the highest score on the post test? Answer as a whole number. 16. What is the variance higher in the pretest or post test scores?17. Please upload a screen shot of the pretest histogram using Microsoft excel spreadsheets? 18. Please upload a screen shot of the post test histogram using Microsoft excel spreadsheets?19. What is the sum of squares for the pretest? Make sure to round to 2 decimal places?20. What is the sum of squares for the pos test? Make sure to round to 2 decimal places?

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