Show me how to work these problems Final Exam Review BUAL 3310 (Compatbility Mod
ID: 3322236 • Letter: S
Question
Show me how to work these problems Final Exam Review BUAL 3310 (Compatbility Mode) Word Table Tools Mailings Design Leyout Tell me whet you want to Review View Help AA Aa- Paragraph tyles Exhibit 3 A researcher has collected the following sample data. The mean of the sample is 16. 10 23 30 10 7 8. Refer to Exhibit 3. The variance is a. 23 b. 398 c. 99.5 d. 0 ANS: C Refer to Exhibit 3. The standard deviation is a. 19.95 b. 9.97 c. 0 d. 398 9. ANS: B Refer to Exhibit 3. The coefficient of variation is a. 72.66% b. 81.24% c. 264% d. 62.34% 10.Explanation / Answer
8) Variance = [(10 -16)2 + (23 -16)2 + (30 -16)2 + (10 -16)2 + (7 -16)2 ] / 4 = 99.5
9) Standard deviation = sqrt(99.5) = 9.97
10) Coefficient of variation = 9.97 * 100 / 16 = 63.34%