Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Use the following information to answer all questions in this exam. In a recent survey, it was stated that Americans spend an average screen
Use the following information to answer all questions in this exam. In a recent survey, it was stated that Americans spend an average screen time of 5.4 hours per day. Another surveyor wanted to know if the average time Bellingham residents spend on their screens is different. The surveyor observed a random sample of 18 individuals. Each individual in the sample gave their average sum-total screen time hours per day across all devices and these data points were listed in the following table: 5.1 4.9 4.8 3.6 7.6 5.1 5.1 7.1 3.4 4.5 4.1 4.2 5.7 5.8 7.9 5.4 D Question 8 5 pts What distribution should be used for the test? O Standard Normal Distribution O Student's-T distribution with 17 degrees of freedom, otherwise denoted as t17 O Student's-T distribution with 18 degrees of freedom O Student's-T distribution with 5.1833 degrees of freedom
Step by Step Solution
There are 3 Steps involved in it
Step: 1
SNO X X X BAR2 1 51 0006944444 49 0080277778 3 48 0146944444 4 36 ...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