Answered: 8- to 10-slide presentation, with…

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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STATISTICS-1, MTH 217

8- to 10-slide presentation, with speaker notes, using the Professional Development Analysis Presentation as an example. Include the following:

The purpose of the investigation
The data source
Information about the survey instrument
Descriptive statistics (number of participants in each group, mean, median, mode, standard deviation)
The plan for analysis
The null and alternative hypotheses
The type of t-test
The alpha determined appropriate for the test
The results of analysis
The t-value, degrees of freedom, p value
Rejection (or failed rejection) of the null hypothesis
A summary of what the results mean
Implications and brief discussion of results

Format the reporting of statistics according to APA guidelines.

DATA:

1	Manager	47
2	Employee	55
3	Manager	12
4	Employee	44
5	Employee	18
6	Manager	15
7	Employee	23
8	Manager	62
9	Employee	56
10	Employee	23
11	Employee	70
12	Employee	68
13	Employee	56
14	Employee	67
15	Employee	67
16	Employee	34
17	Manager	57
18	Manager	58
19	Manager	12
20	Manager	70
21	Manager	45
22	Employee	32
23	Employee	68
24	Employee	25
25	Employee	12
26	Employee	34
27	Employee	67
28	Employee	65
29	Employee	65
30	Manager	32
31	Manager	54
32	Employee	67
33	Employee	46
34	Employee	65
35	Manager	12
36	Manager	67
37	Manager	12
38	Manager	15
39	Manager	70
40	Employee	68
41	Employee	58
42	Manager	70
43	Manager	56
44	Employee	68
45	Employee	57
46	Manager	58
47	Employee	27
48	Manager	25
49	Manager	20
50	Employee	55

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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