Price dispersion remains pervasive online

Launch Cars, a car manufacturing company, has patented its breakthrough technology that reduces pollutant emission by half

The company is now an active supporter of anti-pollution laws that are likely to diminish the profitability of many other auto makers. Launch Cars is attempting to ________.A) reduce costs B) raise barriers to market entry C) establish alliances D) lock in customers

A retail chain would like to test if a difference exists between the variability of customer satisfaction scores from two locations

The following data represents satisfaction scores from a random sample of customers from these locations on a scale of 1-20.Location 1 12 14 20 18 15 17 16Location 2 18 19 17 18 16 20 Using ? = 0.10, the conclusion for this hypothesis test would be that because the test statistic is ____________________________.A) more than the critical value, we fail to reject the null hypothesis and conclude that a difference exists between the variability of customer satisfaction scores from two locations B) more than the critical value, we reject the null hypothesis and cannot conclude that a difference exists between the variability of customer satisfaction scores from two locations C) less than the critical value, we can reject the null hypothesis and conclude that a difference exists between the variability of customer satisfaction scores from two locations D) less than the critical value, we fail to reject the null hypothesis and cannot conclude that a difference exists between the variability of customer satisfaction scores from two locations