Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
1st Edition
ISBN: 9780078682278
Author: McGraw-Hill, Berchie Holliday
Publisher: Glencoe/McGraw-Hill
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Question
Chapter 14.3, Problem 28E
a.
To determine
To calculate: The mean of the data represented by the stem-and-leaf plot.
a.
Expert Solution
Answer to Problem 28E
The mean is 77.5142
Explanation of Solution
Given information:
Formula used:
Formula of Mean
ˉX=∑Xn where X represents each of the values in the data set.
Calculation:
According to the stem-and-leaf plot ,
{44,44,49,54,55,62,62,64,65,69,71,74,75,76,77,78,79,80,82,84,85,86,87,88,89,89,89,90,92,93,93,95,96,98,99}.
So, n=35 .
The mean of the data is
=Sum of all observation35=271335=77.5142
Hence, the mean is 77.5142
b.
To determine
To calculate: The median of the data.
b.
Expert Solution
Answer to Problem 28E
The median is 80.
Explanation of Solution
Given information:
Formula used:
Median represents the middle value.
Median for even terms = (n2)thterm+(n2+1)thterm2
Median for odd terms = (n+12)thterm
Calculation:
According to the stem-and-leaf plot,
The total number in leaves are 35.
=(35+12)thterm=(18)thterm
This implies the median is the 18thleaf on the plot.
The median is 80.
Hence, the median is 80.
c.
To determine
To calculate: The mode of the data.
c.
Expert Solution
Answer to Problem 28E
The mode is 89.
Explanation of Solution
Given information:
Formula used:
The mode of a set of data is the most frequent value. Some sets of the data have multiple modes and others have no mode.
Calculation:
According to the stem-and-leaf plot ,
It shows the modes by repeated digits for a particular stem.
There are three 9s with the stem 8.
The modes is 89.
Hence, the mode is 89.
Chapter 14 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
Ch. 14.1 - Prob. 1CFUCh. 14.1 - Prob. 2CFUCh. 14.1 - Prob. 3CFUCh. 14.1 - Prob. 4CFUCh. 14.1 - Prob. 5CFUCh. 14.1 - Prob. 6CFUCh. 14.1 - Prob. 7ECh. 14.1 - Prob. 8ECh. 14.1 - Prob. 9ECh. 14.1 - Prob. 10E
Ch. 14.1 - Prob. 11ECh. 14.1 - Prob. 12ECh. 14.1 - Prob. 13ECh. 14.1 - Prob. 14ECh. 14.1 - Prob. 15ECh. 14.1 - Prob. 16ECh. 14.1 - Prob. 17ECh. 14.1 - Prob. 18ECh. 14.1 - Prob. 19ECh. 14.1 - Prob. 20ECh. 14.1 - Prob. 21ECh. 14.1 - Prob. 22ECh. 14.2 - Prob. 1CFUCh. 14.2 - Prob. 2CFUCh. 14.2 - Prob. 3CFUCh. 14.2 - Prob. 4CFUCh. 14.2 - Prob. 5CFUCh. 14.2 - Prob. 6CFUCh. 14.2 - Prob. 7CFUCh. 14.2 - Prob. 8CFUCh. 14.2 - Prob. 9CFUCh. 14.2 - Prob. 10ECh. 14.2 - Prob. 11ECh. 14.2 - Prob. 12ECh. 14.2 - Prob. 13ECh. 14.2 - Prob. 14ECh. 14.2 - Prob. 15ECh. 14.2 - Prob. 16ECh. 14.2 - Prob. 17ECh. 14.2 - Prob. 18ECh. 14.2 - Prob. 19ECh. 14.2 - Prob. 20ECh. 14.2 - Prob. 21ECh. 14.2 - Prob. 22ECh. 14.2 - Prob. 23ECh. 14.2 - Prob. 24ECh. 14.2 - Prob. 25ECh. 14.2 - Prob. 26ECh. 14.2 - Prob. 27ECh. 14.2 - Prob. 28ECh. 14.2 - Prob. 29ECh. 14.2 - Prob. 30ECh. 14.2 - Prob. 31ECh. 14.2 - Prob. 32ECh. 14.2 - Prob. 33ECh. 14.2 - Prob. 34ECh. 14.2 - Prob. 35ECh. 14.2 - Prob. 36ECh. 14.2 - Prob. 37ECh. 14.2 - Prob. 38ECh. 14.2 - Prob. 39ECh. 14.3 - Prob. 1CFUCh. 14.3 - Prob. 2CFUCh. 14.3 - Prob. 3CFUCh. 14.3 - Prob. 4CFUCh. 14.3 - Prob. 5CFUCh. 14.3 - Prob. 6CFUCh. 14.3 - Prob. 7CFUCh. 14.3 - Prob. 8CFUCh. 14.3 - Prob. 9ECh. 14.3 - Prob. 10ECh. 14.3 - Prob. 11ECh. 14.3 - Prob. 12ECh. 14.3 - Prob. 13ECh. 14.3 - Prob. 14ECh. 14.3 - Prob. 15ECh. 14.3 - Prob. 16ECh. 14.3 - Prob. 17ECh. 14.3 - Prob. 18ECh. 14.3 - Prob. 19ECh. 14.3 - Prob. 20ECh. 14.3 - Prob. 21ECh. 14.3 - Prob. 22ECh. 14.3 - Prob. 23ECh. 14.3 - Prob. 24ECh. 14.3 - Prob. 25ECh. 14.3 - Prob. 26ECh. 14.3 - Prob. 27ECh. 14.3 - Prob. 28ECh. 14.3 - Prob. 29ECh. 14.3 - Prob. 30ECh. 14.3 - Prob. 31ECh. 14.3 - Prob. 32ECh. 14.3 - Prob. 1MCQCh. 14.3 - Prob. 2MCQCh. 14.3 - Prob. 3MCQCh. 14.3 - Prob. 4MCQCh. 14.3 - Prob. 5MCQCh. 14.3 - Prob. 6MCQCh. 14.3 - Prob. 7MCQCh. 14.3 - Prob. 8MCQCh. 14.3 - Prob. 9MCQCh. 14.3 - Prob. 10MCQCh. 14.4 - Prob. 1CFUCh. 14.4 - Prob. 2CFUCh. 14.4 - Prob. 3CFUCh. 14.4 - Prob. 4CFUCh. 14.4 - Prob. 5CFUCh. 14.4 - Prob. 6CFUCh. 14.4 - Prob. 7CFUCh. 14.4 - Prob. 8CFUCh. 14.4 - Prob. 9ECh. 14.4 - Prob. 10ECh. 14.4 - Prob. 11ECh. 14.4 - Prob. 12ECh. 14.4 - Prob. 13ECh. 14.4 - Prob. 14ECh. 14.4 - Prob. 15ECh. 14.4 - Prob. 16ECh. 14.4 - Prob. 17ECh. 14.4 - Prob. 18ECh. 14.4 - Prob. 19ECh. 14.4 - Prob. 20ECh. 14.4 - Prob. 21ECh. 14.4 - Prob. 22ECh. 14.4 - Prob. 23ECh. 14.4 - Prob. 24ECh. 14.4 - Prob. 25ECh. 14.4 - Prob. 26ECh. 14.4B - Prob. 1GCECh. 14.4B - Prob. 2GCECh. 14.4B - Prob. 3GCECh. 14.4B - Prob. 4GCECh. 14.4B - Prob. 5GCECh. 14.4B - Prob. 6GCECh. 14.4B - Prob. 7GCECh. 14.4B - Prob. 8GCECh. 14.5 - Prob. 1CFUCh. 14.5 - Prob. 2CFUCh. 14.5 - Prob. 3CFUCh. 14.5 - Prob. 4CFUCh. 14.5 - Prob. 5CFUCh. 14.5 - Prob. 6CFUCh. 14.5 - Prob. 7CFUCh. 14.5 - Prob. 8CFUCh. 14.5 - Prob. 9CFUCh. 14.5 - Prob. 10CFUCh. 14.5 - Prob. 11ECh. 14.5 - Prob. 12ECh. 14.5 - Prob. 13ECh. 14.5 - Prob. 14ECh. 14.5 - Prob. 15ECh. 14.5 - Prob. 16ECh. 14.5 - Prob. 17ECh. 14.5 - Prob. 18ECh. 14.5 - Prob. 19ECh. 14.5 - Prob. 20ECh. 14.5 - Prob. 21ECh. 14.5 - Prob. 22ECh. 14.5 - Prob. 23ECh. 14.5 - Prob. 24ECh. 14.5 - Prob. 25ECh. 14.5 - Prob. 26ECh. 14.5 - Prob. 27ECh. 14.5 - Prob. 28ECh. 14.5 - Prob. 29ECh. 14.5 - Prob. 30ECh. 14.5 - Prob. 31ECh. 14.5 - Prob. 32ECh. 14.5 - Prob. 33ECh. 14.5 - Prob. 34ECh. 14.5 - Prob. 35ECh. 14.5 - Prob. 36ECh. 14.5 - Prob. 37ECh. 14.5 - Prob. 38ECh. 14.5 - Prob. 39ECh. 14 - Prob. 1SGACh. 14 - Prob. 2SGACh. 14 - Prob. 3SGACh. 14 - Prob. 4SGACh. 14 - Prob. 5SGACh. 14 - Prob. 6SGACh. 14 - Prob. 7SGACh. 14 - Prob. 8SGACh. 14 - Prob. 9SGACh. 14 - Prob. 10SGACh. 14 - Prob. 11SGACh. 14 - Prob. 12SGACh. 14 - Prob. 13SGACh. 14 - Prob. 14SGACh. 14 - Prob. 15SGACh. 14 - Prob. 16SGACh. 14 - Prob. 17SGACh. 14 - Prob. 18SGACh. 14 - Prob. 19SGACh. 14 - Prob. 20SGACh. 14 - Prob. 21SGACh. 14 - Prob. 22SGACh. 14 - Prob. 23SGACh. 14 - Prob. 24SGACh. 14 - Prob. 25SGACh. 14 - Prob. 26SGACh. 14 - Prob. 27SGACh. 14 - Prob. 28SGACh. 14 - Prob. 29SGACh. 14 - Prob. 30SGACh. 14 - Prob. 31SGACh. 14 - Prob. 32SGACh. 14 - Prob. 33SGACh. 14 - Prob. 34SGACh. 14 - Prob. 35SGACh. 14 - Prob. 36SGACh. 14 - Prob. 37SGACh. 14 - Prob. 38SGACh. 14 - Prob. 39SGACh. 14 - Prob. 40SGACh. 14 - Prob. 41SGACh. 14 - Prob. 42SGACh. 14 - Prob. 1SAPCh. 14 - Prob. 2SAPCh. 14 - Prob. 3SAPCh. 14 - Prob. 4SAPCh. 14 - Prob. 5SAPCh. 14 - Prob. 6SAPCh. 14 - Prob. 7SAPCh. 14 - Prob. 8SAPCh. 14 - Prob. 9SAPCh. 14 - Prob. 10SAP
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