Directions: Manually compute for the following descriptive techniques for the dataset given below. Write down both the formula and the computational processes. vgnt (RttğniumášywI...

Extracted text: Directions: Manually compute for the following descriptive techniques for the dataset given below. Write down both the formula and the computational processes. vgnt (RttğniumášywI munimúnimWInniñgminmiansoybm(pt egnişyaj sinyniunsoybıa sinynlaasajiaGyb i (Atyðtnchas A41 Number of sleeping hours per night: 5; 7; 4; 5; 7; 8; 10; 6; 9; 5 1. mean 2. median 3. mode 4. range 5. interquartile range 6. standard deviation 7. variance 8. 97th percentile 9. 80th decile 10. 3rd quartile 11. z-score given x=4 12. skewness 13. kurtosis