suppose that we randomly sample 112 high school students to investigate an association between involvement in extracurricular acti

Question

suppose that we randomly sample 112 high school students to investigate an association between involvement in extracurricular activities and grades. we use the data to conduct a chi-square test of independence at the 5% level. in this results table, the observed count appears above the expected count in each cell. what can we conclude?

Latifah · Answer

The  conclusion  regarding the  test  of the  hypothesis  is given as follows:   1  - There is a statistically significant association between involvement in extracurricular activities and grades.    What are the hypothesis tested?    There are two hypothesis, the  null  hypothesis and the  alternative  hypothesis, and they are presented as follows:   Null hypothesis: not enough evidence to conclude that there is a statistically significant association between involvement in extracurricular activities and grades.    Alternative hypothesis: Enough evidence to conclude that there is a statistically significant association between involvement in extracurricular activities and grades.     What is the conclusion?    The  p-value  of the test is given as follows:  0.0457.    The p-value is less than the significance level of 0.05, meaning that the null hypothesis is  rejected , and there is  enough evidence  to conclude that there is a statistically significant association between involvement in extracurricular activities and grades.    Thus  option 1  is correct.    Missing Information    The p-value of the test is given by:  0.0457.    The options are given as follows:  1-There is a statistically significant association between involvement in extracurricular activities and grades.    2-There is not a statistically significant association between involvement in extracurricular activities and grades.    3-Involvement in extracurricular activities helps students to perform better academically.    4-Nothing, because the conditions for use of the chi-square test are not met.    More can be learned about the  test of an hypothesis  at https://brainly.com/question/13873630  #SPJ1

What are the hypothesis tested?

What is the conclusion?

Missing Information

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