D Question 1 2 pts Two variables have a negative non-linear correlation. Does the dependent variable increase or decrease as the independent variable increases? Homework Help: 7DA. Correlations, Linear, Non-Linear, Positive, and Negative E (DOCX) O Dependent variable decreases O Cannot determine from information given O Dependent variable would remain the same O Dependent variable increases D Question 2 2 pts What does p represent? Homework Help: 7DB. Correlation coefficient and coefficient of determination, notation and meanings (DOCX) O The critical value for the correlation coefficient O The sample correlation coefficient O The population correlation coefficient O The coefficient of determinationQuestion 3 2 pts A baseball player wants to determine if the type of bat he uses each year can be used to predict the amount of improvement in his game. Which variable would be the explanatory variable? Homework Help: 7DC. Explanatory and response variables E. (DOCX) O The baseball player The type of bat The improvement in his game O The number of times he bats Question 4 2 pts The sales at ABC company have been lagging over the past year. The marketing department of the company feels that sales can be increased by more than 10% if the company starts advertising on the web. Which statistical method would be best to use in this situation? Homework Help: 7DH. When to Use Which Statistical Method E (DOCX) Confidence interval O Hypothesis testing O Regression analysis O ProbabilityD Question 5 2 pts You are concerned about people's living standard. To get started you determine that you should estimate the average salary of all the people in the country. Which statistical method would be best to use in this situation? Homework Help: 7VA. Scatter plots with regression lines, slope and intercept (2:32) 7DH. When to Use Which Statistical Method E (DOCX) O Regression analysis O Probability O Hypothesis testing O Confidence interval D Question 6 2 pts Find the regression equation for the following data set X 123 146 127 161 122 174 134 155 80 51 59 41 44 59 51 63 Homework Help: 7VB. Finding regression line equation using spreadsheet E (3:54) O cannot be determined O y = -0.13x+74.50 O y = 74.50x - 0.13 O y = 0.13x - 74.50