Answered: A researcher would like to know whether…

Name: A researcher would like to know whether there is a consistent, predict
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Description: A researcher would like to know whether there is a consistent, predictable relationship between verbal skills and math skills for high school students. A sample of 200 students is obtained and each student is given a standardized English test and a s

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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A researcher would like to know whether there is a consistent, predictable relationship between verbal skills and math skills for high school students. A sample of 200 students is obtained and each student is given a standardized English test and a standardized math test. Based on the test results, students are classified as high or low for verbal skills and for math skills. The results are summarized in the following frequency distribution:

	HIGH Verbal	LOW Verbal
HIGH Math	59	41
LOW Math	31	69

a. Based on these results, can the researcher conclude that there is a significant relationship between verbal skills and math skills? Detail all four steps of your hypothesis test, α = .05.

b. Compute the phi coefficient (ϕ) to measure the strength of the relationship.

c. Write a sentence summarizing your results.

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