Marisa Campala is conducting research with fifth grade teachers in diverse classrooms. One group of teachers uses English and Spanish to greet students each morning and other teachers maintain their regular greetings in English. What type of research is Marisa most likely conducting?

Researchers are conducting a study in an attempt to establish a linear relationship between the number of online music video views and the number of guitar sales. a computer output for regression is shown and is based on a sample of seven observations. predictor coeff st. dev t ratio p-value constant 7.85671094 1.316226455 5.969118 0.001889 music video views 0.094781123 0.027926367 3.393965 0.019378 what represents the 99% confidence interval for the slope of the regression line? 0.0948 ± 3.499(1.3162) 0.0948 ± 4.032(1.3162) 0.0948 ± 3.707(0.0279) 0.0948 ± 4.032(0.0279)