(Solved): 4. Here are the commutes (in kilometres) for a group of six employees. Find the standard deviation. ...

4. Here are the commutes (in kilometres) for a group of six employees. Find the standard deviation. Show your work. \( \begin{array}{llllll}36.9 & 17.9 & 43.1 & 72.6 & 22.7 & 21.4\end{array} \) A) \( 421.6 \) B) \( 214.6 \) C) \( 72.6 \) D) \( 20.5 \) E) \( 98.9 \) 5. The City of Windsor Department of Parks and Recreation is planning to build a recreation centre in one of the city's parks. They conducted a poll to find out the types of physical activities the local population would be interested in. The poil was based on telephone responses from 1013 randomly selected adults. The table shows the percentages of people who expressed interest in various activities. 6. Here are the prices for 8 different CD players. Find the standard deviation. \( \$ 332 \quad \$ 130 \quad \$ 392 \quad \$ 275 \quad \$ 399 \quad \$ 205 \quad \$ 290 \quad \$ 176 \) A) \( \$ 98.75 \) B) \( \$ 604,450.13 \) C) \( \$ 287.50 \) D) \( \$ 672,715.00 \) E) \( \$ 399 \)