Answered: Mode = 8 and 11 Median = 11 Mean= 11.63…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

100%

Mode = 8 and 11
Median = 11
Mean= 11.63
Range =14
Variance = 17.09
Standard deviation = 4.1352

Using the standard normal curve, and the data obtained from the histogram (Listed above), please help me answer the following questions:

Is a patient that stayed X = 10 days considered as being an extreme or typical length of stay? (show all your data analysis and justify your response in one sentence)
What percentage of the patients stayed longer than this? What percentage of the patients stayed less than this? Please show me how to calculate this properly.

b. Is a patient that stayed X = 17 days considered as being an extreme or typical length of stay? (Justify your response in one sentence) What percentage of the patients stayed longer than this? What percentage of the patients stayed less than this?

Length of stay in the Hospital
6
5
4
3
1
6 7 8 9
10
11
12
13
14
15
16
17
18
19 20
Length of stay (Days)
Frequency
2.

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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