Type 2 error

rt ll A researcher is interested in studying how playing video games before bed might influence sleep quality. She randomly assigns 30 teenagers to play video games right before bed for a week, and 30 teenagers to watch TV right before bed for a week, and then compares their sleep quality. What is a Type II error? The researcher concludes that there is a difference between the video game and tv groups, when in reality their sleep quality is the same (there is no difference). b) The researcher concludes that there is not a difference between the video game and tv groups, when in reality their sleep quality is the same. c) The researcher concludes that there is not a difference between the video game and tv groups, when in reality there is a difference in their sleep quality. d) The researcher concludes that there is not a difference between the video game and tv groups, when in reality there is not a difference in their sleep quality