Suppose you add 2 days to each datum in the duration of hospital stay.a. What is the effect on the median?b. What is the effect on the mode?c. What is the effect on the mean?d. What is the effect on the sample standard deviation? FirstWBCReceivedDurationFirstReceivedbacterialSex(x 10)followingadmissionofantibiotic?Service1 = M2 = Ftemp.followingadmissionculture?1 = yes2 = no1 = med.2 = surg-IDhospitalstay1- yes2 = nono.Age153099.0821107398.05113640299.01221147298.22225298.511226.148296.86.1227306099.511181156298.6722191743298.072211035098.012211195997.67211123497.83213822299.5111214833298.41411215520298.411116532199.0217736199.212218469198.06.2219347197.012120722198.22221911198.2102221119198.614122231167297.642124943298.62225441298.0221

Adding any term in every observation of the data change the median. If we add 2 then 2 will be…

Answered: Suppose you add 2 days to each datum in…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter4: Eigenvalues And Eigenvectors

Section4.6: Applications And The Perron-frobenius Theorem

Problem 25EQ

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Question

Suppose you add 2 days to each datum in the duration of hospital stay.

a. What is the effect on the median?

b. What is the effect on the mode?

c. What is the effect on the mean?

d. What is the effect on the sample standard deviation?

First
WBC
Received
Duration
First
Received
bacterial
Sex
(x 10)
following
admission
of
antibiotic?
Service
1 = M
2 = F
temp.
following
admission
culture?
1 = yes
2 = no
1 = med.
2 = surg-
ID
hospital
stay
1- yes
2 = no
no.
Age
1
5
30
99.0
8
2
1
10
73
98.0
5
1
1
3
6
40
2
99.0
12
2
11
47
2
98.2
2
2
25
2
98.5
11
2
2
6.
14
82
96.8
6.
1
2
2
7
30
60
99.5
1
1
1
8
11
56
2
98.6
7
2
2
1
9
17
43
2
98.0
7
2
2
1
10
3
50
98.0
12
2
1
11
9
59
97.6
7
2
1
1
12
3
4
97.8
3
2
13
8
22
2
99.5
11
1
2
14
8
33
2
98.4
14
1
1
2
15
5
20
2
98.4
11
1
16
5
32
1
99.0
2
17
7
36
1
99.2
1
2
2
18
4
69
1
98.0
6.
2
2
19
3
47
1
97.0
1
2
1
20
7
22
1
98.2
2
2
21
9
11
1
98.2
10
2
22
11
19
1
98.6
14
1
2
2
23
11
67
2
97.6
4
2
1
24
9
43
2
98.6
2
2
25
4
41
2
98.0
2
2
1

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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