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- c(13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18) Fine the vector y by the assignment - cumsum(x) fine the variable w using the assignment <-714-y

- c(13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18) Fine the vector y by the assignment - cumsum(x) fine the variable w using the assignment <-714-y

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter1: Vectors
Section1.3: Lines And Planes
Problem 18EQ
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Mickey Mantle played for the New York Yankees for 18 years from 1951 to 1968. Year by year he hit the following numbers of home runs: 13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18. We represent these as a vector x in R by making the following assignmemt: x <-c(13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18) Define the vector y by the assignment y <- cumsum(x) Define the variable w using the assignment w <-714-y Define z with the assignment z <-c(X,Y,W) x, y, w and z are vectors. Answer the following using R code. f) What is the 18th element of w? (value of w[18]) 1 h) Calculate the sample variance of 5*x 713.268 i) What is the length(# of elements) in 5*x| j) How many unique(different) values are in z? 49 X X
Transcribed Image Text:Mickey Mantle played for the New York Yankees for 18 years from 1951 to 1968. Year by year he hit the following numbers of home runs: 13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18. We represent these as a vector x in R by making the following assignmemt: x <-c(13, 23, 21, 27, 37, 52, 34, 42, 31, 40, 54, 30, 15, 35, 19, 23, 22, 18) Define the vector y by the assignment y <- cumsum(x) Define the variable w using the assignment w <-714-y Define z with the assignment z <-c(X,Y,W) x, y, w and z are vectors. Answer the following using R code. f) What is the 18th element of w? (value of w[18]) 1 h) Calculate the sample variance of 5*x 713.268 i) What is the length(# of elements) in 5*x| j) How many unique(different) values are in z? 49 X X
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