Grade Eleventh and 24 12 11 24 Twelfth Grades Expected counts: Pet Dog Cat Bird Other Ninth and Tenth 23.0 13.8 9.7 27.6 Grades Eleventh and Grade 22.0 13.2 9.3 26.4 Twelfth Grades Which of the...

Extracted text: Grade Eleventh and 24 12 11 24 Twelfth Grades Expected counts: Pet Dog Cat Bird Other Ninth and Tenth 23.0 13.8 9.7 27.6 Grades Eleventh and Grade 22.0 13.2 9.3 26.4 Twelfth Grades Which of the following are the values of the chi-square statistic and P-value? Find the chi-square table here. O x = 0.36, P-value < 0.05="" o="" x="0.79," p-value="">< 0.05="" o="" x="0.82," p-value=""> 0.25 O x2 = 1.61, P-value > 0.25


Extracted text: A student selects a random sample of 145 students from her large high school. For each student, she records the grade level and their favorite type of pet. She would like to know if there is convincing evidence that the grade level is associated with type of pet. Let a = 0.05. The observed and expected counts are displayed in the tables. Observed counts: Pet Dog Cat Bird Other Ninth and Tenth 21 15 8 30 Grades Eleventh and Grade 24 12 11 24 Twelfth Grades Expected counts: Pet Dog Cat Bird Other | 138 87 Ninth and Tenth 23.0 9.7 27.6 Grades Grade