8 Probability and Statistics - Mrs. Leahy Sample Variance and Standard Deviation Sample Variance: -1 EX-1) Example 3: Big Blossom Greenhouse measured a sample of rose blooms for diameters in inches. 2 3 3 8 10 10 Compute the sample variance and the sample standard deviation. Sample Standard Deviation: S = v C Example 4: For the sample below, find the sample variance and the sample standard deviation, A study examining the health risks of smoking measured cholesterol levels of people who had smoked for at least 25 years. Smokers 225 211 209 284 258 216 196 288