158531/quizzes/7 723884 Question 2 0/ What is the null hypothesis for a simple linear regression when there is no effect the explanatory variable on the response variable? Hob >0 Hob= 0 Ho B > 0 Ho B = 0 Question 3 0/ 1p When looking at a residual plot, the shape is decidedly in the shape of a horseshoe. This might be an indication of: The variation in the response variable increases as the explanatory variable increases There is a relationship between the two variable but it is not linear The relationship between the two variable is logarithmic There is no relationship between the two variables O W