28 What is the mean of the data set? * X X X X X X X X ++++ +++ 4 5 6 7 8 9 10 Number of miles run 8 O O O O
28 What is the mean of the data set? * X X X X X X X X ++++ +++ 4 5 6 7 8 9 10 Number of miles run 8 O O O O
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question

Transcribed Image Text:28
What is the mean of the data set? *
X X X X
X X X X
++++++
4 5 6 7 8 9 10
Number of miles run
8
XX
O O

Transcribed Image Text:A random sample 40 trees was used to estimate the mean height of all trees at a tree farm.
Summary statistics for this sample are given below. Which one of the following stem-and-leaf
plots most likely represents the actual sample data set?
NOTE: 1|4 = 14 (stem = tens and leaf = ones) *
N
MEAN
MEDIAN
SD
LV
Q1
Q3
HV
40
18.50
18.0
5.169
10.0
14.50
22.0
29.0
1 113
1 00012333
а.
с.
1 4666777
1 44456677
1 88888888999
1 888889999
2 0001
2 0111333
2 33333345
2 455667
2 6667789
2 899
b.
1 0001123
d. 1 0011233
1 4446666777
1 4445666777
1 88888999
1 8888899999
2 013333
2 011333
2 456677
2 4667
2 8899
2 889
29
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