Question

5 7 7 8 3 2 7 1 8 2 37 Use the data set (age of the children visiting the National Museum during 5 hour). Which of the following options gives the 10% trimmed mean and median respectively? Select one: a. 4.25 and 4.50 O b. 5 and 6 c. 6 and 4 d. 5 and 4.5 e. 4.5 and 6.5

Answer 1

Answer Date: 05/06/2020 The 10% trimmed mean of age of children is, By using Excel software, find trimmed mean with help of following steps: 1) Import the data. 2) Select TIRMIMEAN from Functions. 3) Select Array (Column Data) and Enter Percent (10). 4) Click Ok. TRIMMEAN Array A2:A13 Percent 0.10 = {5;7;7;8;3;2;7;1;8;2;3;7} = 0.1 = 5 From the Excel output, the 10% trimmed mean of age of children is 5. The median of age of children is,

First, rearrange the data from smallest to largest then find median by averaging two middle numbers. 1 2 2 3 5 3 7 7 7 7 8 8 5 M3 +M6 M= 2 5+7 = 2 = 6 The median of age of children is 6. The answer is b