Answered: A group of scientists used smartphones…

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

A group of scientists used smartphones to measure the body temperature of 27 athletes using wearables (Apple Watches, Fitbits, etc.). Open hw4_temperature.csv in jamovi and conduct a one-sample t-test to examine whether the average body temperature in the athlete sample is equivalent to the expected population mean of 98.6. 1. Paste the necessary output for this analysis (both descriptive and inferential statistics) from jamovi. 2. What is the mean and standard deviation for the sample? 3. What is the value of the test statistic? 4. What is the degrees of freedom of the test? 5. What is the precise p-value as reported by jamovi? Make sure you report the value to at least three decimal places. 6. Is the effect significant ? 7. What is the effect size? Is this a small, medium, or large effect? 8. Based on the results of your analysis, does being an athlete increase, decrease, or have no effect on average body temperature?

temperature
99.2308
96.9231
97.1795
98.1282
96.3846
97.1795
95.3846
98.8974
96.9231
97.6923
97.6923
97.6923
97.4359
98.9744
98.4615
99.2308
99.7436
100.2564
100.2564
99.2308
99.7436
98.4615
98.2051
96.6667
97.1795
98.8974
98.9231
I

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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