Show correlation coefficient formula and answer, as well as statement explaining results. 22. Crickets and Temperature Find the best predicted temperature at a time when a cricketchirps 3000 times in 1 minute. What is wrong with this predicted temperature?.Chirps in 1 min8821188110486412001032960900Temperature (°F)69.793.384.376.388.682.671.679.6

Answered: Show correlation coefficient formula…

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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Explain correlation and its importance.
Statistics teacher realize that his studentS keep using cell phones during the class. Then he did some research and found out that people use cell phones for 7.2 hours per day on average in turkey, and usage time variability around that average is 2.0449 Then he decides to givean assignment of reading books as an alternative of cell phone usage in exchange of 50 extra credit to their statistics exam. After the exam, He collected the data of cell phone usage time from his 127 students and calculated that average cell phone usage time drops to 6.8 hours per day. Under the assumption that probability of uncontrolled factors leading you the wrong statistical decision is five percent, conduct the statistical analysis to decide whether decrease in the cell phone usage time is real or it happens just because of the random chance and interpret the results.
Explain how to interpret the absolute value of a correlation coefficient.
Please give an example of an IMPOSSIBLE correlation coefficient? Just need a simple answer
Determine of whether strong correlation exisits as well as whether it is positive or negative
Explain Graphically by drawing hypothetical disgrams when the coefficient of correlation between two variables is (a) perfect positive, (b) perfect Negative, (c) zero?
The correlation between amount of sleep students get the night before the test and their performance shows that the less sleep they get the lower their grades. This would be an example of Group of answer choices no correlation a negative correlation a spurious correlation a positive correlation
Each given statement contains a blunder. In cach case, choose the statement that correctly explains the blunder. "There is a high correlation betwoen the "We found a high correlation (= 109) "The correlation between height and sex of American workers and their between students' ratings of faculty teaching and ratings made by other faculty members." weight of the subjects was 0.63 income." centimeters."
what is the meaning of the negative and positive correlation coefficient values in a linear relationship between variables? explain clearly
How to Interpret a Correlation Coefficient r?

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