Answered step by step
Verified Expert Solution
Question
1 Approved Answer
You find out that the average 10th grade math score, for Section 6 of the local high school, is 87 for the 25 students in
You find out that the average 10th grade math score, for Section 6 of the local high school, is 87 for the 25 students in the class. The average test score for all 10th grade math students across the state is 85 for 1,800 students. The standard deviation for the state is 3.8.
Answerthe following questions:
- Whatzscore do you calculate?
- What is the area between the mean and thezscore found in Appendix A of the textbook?
- What does this mean about the probability of this test score difference occurring by chance? Is it less than 0.05?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started