Mathematics, 14.07.2020 17:01 thutch1950oww9q0
PLEASE 20 POINTS AND BRAINLIEST QUICK QUICK One graph below shows the language arts test scores for students versus the time they spent studying. The other graph shows the language arts test scores versus the spelling test scores for the students. Graph 1: Language Arts Scores vs. Hours Spent Studying A graph has hours spent studying on the x-axis and language arts test scores on the y-axis. 2 points are on the trend line. 3 points are above the line, and 4 points are below the line. Graph 2: Language Arts Scores vs. Spelling Test Scores A graph has hours spent studying on the x-axis and language arts test scores on the y-axis. 8 points are on the line. How do the graphs compare? They both have a positive correlation, but Graph 1 has a stronger association. They both have a positive correlation, but Graph 2 has a stronger association. They both have a strong association, but Graph 1 has a positive correlation while Graph 2 has a negative correlation. They both have a strong assoication, but Graph 1 has a negative correlation while Graph 2 has a positive correlation.
Answers: 1
Mathematics, 22.06.2019 04:30
The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u.s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.
Answers: 3
PLEASE 20 POINTS AND BRAINLIEST QUICK QUICK One graph below shows the language arts test scores for...
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