Question

Given the first type of plot indicated in each pair, which of the second plots could not always be generated from it? a) dot plot, histogranm b) stem and leaf, dot plot c) histogram, stem and leaf d) Odot plot, box plot Review Question7 A survey was conducted to gather ratings of the quality of service at local restaurants. Respondents rated on a scale of 0 (terrible) to 100 (excellent). The data are represented by the following stem plot. 3 24 4 0 3478999 stem-tens eaves-ones 011 2 345 6 1 2566 7 01 The median response was a) 52

Answer 1

1. We cannot plot boxplot from dot plot since boxplot requires quartiles. Option d is correct.

2. Median is 51. There are 25 observations and hence median=(25+1)/2=13th observation which is 51.