Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A researcher wanted to know if individuals have better reaction times depending on when the test is taken -- in the morning or in the
A researcher wanted to know if individuals have better reaction times depending on when the test is taken -- in the morning or in the afternoon. He randomly assigned 16 participants to take the reaction time test in either the morning or the afternoon (8 for each condition). The following results were obtained, where lower scores indicate faster reaction time. The population Standard Deviation is known to be equal to 2. Conduct an appropriate statistical test using an alpha of .05. More information is given in the table than is needed. Morning Afternoon Difference Mean 81 78 4 Eight Steps of hypothesis testing 1. You only need to state which symbol goes in the alternate hypothesis (, or "not equal")? 2. 3. (you only need to put "directional" or "nondirectional" 4. Alpha = , n = (if there is more than one n, put "number, number"), df = 5. (just put the value, round to 2 digits; be sure to take a picture of your work and post it on the last question) 6. (just put the value, round to 2 digits) 7. (You only need to put "reject" or "fail to reject"
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