A student wondered if there was an association between relationship status and overall letter grade (based on grade point average) at her high school. She used a stratified random sample to select 20 students within each letter grade. The information is displayed in the table below. Letter Grade In a relationship Not in a relationship Total A 8 12 20 B 11 C 13 7 20 10 10 F 6 14 20 Total 48 52 100 AX² test of independence was conducted to determine whether the data above provides convincing evidence of an association between relationship status and overall letter grade. The x test statistic was 5.849 with a p-value of 0.211. Which of the following statements is true? 20 20
A student wondered if there was an association between relationship status and overall letter grade (based on grade point average) at her high school. She used a stratified random sample to select 20 students within each letter grade. The information is displayed in the table below. Letter Grade In a relationship Not in a relationship Total A 8 12 20 B 11 C 13 7 20 10 10 F 6 14 20 Total 48 52 100 AX² test of independence was conducted to determine whether the data above provides convincing evidence of an association between relationship status and overall letter grade. The x test statistic was 5.849 with a p-value of 0.211. Which of the following statements is true? 20 20
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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X2 Independence: Grades or Relationships?
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