Answered: Hello, I need help with 3 statistics…

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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Hello, I need help with 3 statistics questions.

- Examine how humans tend to report their sedentary time by using the data given and applying at least two (2) inferential statistical methods.

You are expected to produce relevant statistical reports using Excel, describe and interpret the results obtained, and make inference to the research objective. You are also required to discuss and verify the assumptions you need for the analysis.

- Identifying three (3) statistical concerns pertaining to the approach you used. If you have a free hand to study this research question again starting from data collection to analysis, explain how you would approach it? Keep your answer within 300 words and indicate your word count at the end of your answer.

- The Business Head of Programme came to know about your research and is very interested to find out more. Summarise your analysis in a simplified report to address the concern. The word limit is 300 words. Please indicate the word count at the end of your answer.

Average Daily Sedentary Time (Self-
Report)
7.903
Average Daily Sedentary Time (Self-
Report)
7.903
Mean
Мean
Standard Error
0.27096
Standard Error
0.27096
Median
7.3
Median
7.3
Mode
6.8
Mode
6.8
Standard
Standard
Deviation
2.709596
Deviation
2.709596
Sample Variance
Kurtosis
Skewness
Sample Variance
Kurtosis
7.34191
7.34191
-0.39674
-0.39674
0.462368
12.4
0.462368
Skewness
Range
Minimum
12.4
Range
Minimum
2.8
2.8
Maximum
15.2
Maximum
15.2
790.3
100
Sum
790.3
Sum
Count
Count
100
1st Quartile
3rd Quartile
1st Quartile
3rd Quartile
6.1
11.7
2.7
9.8
Interquartile
3.7
Interquartile

Statistics that allow for inferences or estimates about the population. Inferential statistics enable analysts come to conclusions about the population based on sample data. Inferential statistics cover the basics of inferential statistics, all kinds of hypotheses tests and their confidence intervals, design of experiments, and statistical power and errors. It also includes point estimation techniques, limit theorems, sampling distributions, approximations, and bounds. Correlation, regression, and association are also covered under inferential statistics to infer relationships between variables.

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