Applied project part 3

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Geneva College *

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MGT241

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Statistics

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Apr 3, 2024

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pdf

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Uploaded by selinaherrera22

4) Based on this frequency table, what is the probability of randomly selecting a senior from the dataset? 0.25 5) Based on this frequency table, what is the probability of randomly selecting a biology major from the dataset? 0.19 6) Based on this frequency table, what is the probability of randomly selecting a part-time student from the dataset? 0.49 7) Based on this frequency table, what is the probability of selecting a female student from the dataset? 0.49 8) Determine the probability of randomly selecting a sophomore engineering student from the dataset. To do so, create a frequency table by putting Major in the “Variables” box and Class Ranking in “Split by” box. What is the probability of selecting a member of this category of student? 0.24 9) Suppose we wanted to investigate whether or not there is a relationship between physical activity and chemistry mid-term exam scores for this sample. Generate a null and alternative hypothesis for this research topic. Null hypothesis: H0: There is no relationship between physical activity and chemistry mid term exam scores Alternative Hypothesis H1: There is a relationship between physical activity and chemistry exam scores

10) Suppose we wanted to investigate whether or not there is a relationship between class ranking and caffeine consumption. Generate a null and alternative hypothesis for this research topic. Null hypothesis H0: There is no relationship between class ranking and caffeine consumption Alternative Hypothesis H1: There is a relationship between class ranking and caffeine consumption. 11) Suppose we were to investigate the relationship between enrollment status and alcohol consumption. When reporting the results, we inadvertently make a Type I error. In the context of this topic, what would a Type I error consist of? A type I error would consist of a report that there is a significant relationship between alcohol consumption and enrollment status while there is no significant relationship between the two. 12) Suppose we were to investigate the relationship between major and history mid-term exam scores. When reporting the results, we inadvertently make a Type I error. In the context of this research topic, what would a Type I error consist of? A type 1 error would consist of the investigator reporting there is significant relationship between major and history mid term exam scores, while there is no significant relationship between the two.

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