5
Subject:StatisticsPrice: Bought3
5.10 Using the data saved in the "Sample Excel" file to answer the following questions: a) What are the mean and standard deviation of standing height (HEIGHT_STD)? b) If we assume that standing height is normally distributed, what is the chance to have a person randomly selected and his/her height is 170 cm or taller? c) What are the values of first quartile (Q1) and the third quartile (Q3) for standing height? What is the value of inter-quartile range (IQR) of standing height? Theoretically, how likely a randomly selected person whose standing height is between Q1 and Q3?
98 Chapter 5 d) What are the values of cut-offs of standing height for x - and + asp. coretically, what is thely selected landing is beyond those cut-offs? What is the chance observed in reality? e) What is the percentage of females in this sample? our persons are random land from this sample, how the ) 2 males 2 females, ii) 1 male and 3 females, or iii) 4 females?
