Question

5/1/2020 Chapter 3 Lab Friday, May 29, 2020 9:42 AM Directions: Copy this page in your Lab folder. Answer each problem. Provide as much typed work as you can Rule of Thumb for significant values: Female have a pulse rate with a mean of 74.0 beats per minute and a standard deviation of 12.5 beats per minute. Use the rule of thumb of significant values to determine if a pulse rate of 44 beats per minute is significantly high or significantly low. Five number summary. Listed below are the measured radiation absorption rates in W/kg) corresponding to 11 cell phones. 2. Use the given data to identify the 5-number summary. b. Find all outliers using quartiles. 0.51 0.56 0.57 0.69 0.73 0.92 1.23 1.29 1.31 1.43 1.49

Answer 1

Rule of thumb fore signific ificant values: M=74 o. 12.5 a - 44 x-M 44.74 17 = - 2.4 12.5 P( x 2 qu) = Plze- 2.4) = 0.0082 (using Normal table) Yes. uu beats is significantly lowi data Five number summar from the given (al Minimum 0.51 Quantile = Q = 0.63 St 1 Mediana 0.92 sed quantile = 03: do 1.3 Maximum : 1:49 (bl I OSR= 03-0,= 0.74. There is no data above above Qz +(1.5/5 PR and below 0,-(1.5) ICR. Hence "NO" Outliers. no data

Coefficient of variation - from the data given ä 20.57 21.8ya + 19.2 10 : 2019 2 Sa = { (xi - N-1 20119/27 (21.8-20119)'/ -- +(19.2 - 20.1919 ( 20.5 ~ 1.4715 A cv- Sa X 100 8 K 1.4719 CV X100 7 20:19 Cva 7.3.