Probability & Statistics for Engineers & Scientists by Walpole | Solution Chap 1

Probability & Statistics for Engineers & Scientists by Walpole 9th edition Solution of exercise problems of Chap 1.
1.2 According to the journal Chemical Engineering, an important property of a fiber is its water absorbency. A random sample of 20 pieces of cotton fiber was taken and the absorbency on each piece was measured. The following are the absorbency values:
18.71 21.41 20.72 21.81 19.29 22.43 20.17 23.71 19.44 20.50 18.92 20.33 23.00 22.85 19.25 21.77 22.11 19.77 18.04 21.12
(a) Calculate the sample mean and median for the above sample values.
(b) Compute the 10% trimmed mean.
(c) Do a dot plot of the absorbency data.
(d) Using only the values of the mean, median, and trimmed mean, do you have evidence of outliers in the data?
Thank you for visiting the channel. This channel is all about the latest trends and concepts related to the problems a student encounters while studying Electrical and Computer Engineering.
We are specialized in covering the material related to Electrical and Electronics Circuit Analysis, Artificial Intelligence, Probability and Statistics, Data Science, Machine Learning, and Deep Learning, to name a few.
__________________________________________________________________________
The channel is all about:
#engineenringtutor #statistics #probability #walpole
#DataScience #MachineLearning #DeepLearning #exploratorydataanalysis #datascienceprojects #datasciencetutor
#Probability #Normalrandomvariable #Gaussiandomvariable
#datascience #dataanalysis #dataprocessing
_________________________________________________________________________
Connect with me by subscribing to:
/ @engineeringtutorofficial
Happy Learning :-)