Drive Manchester C...nity College Facebook Google Translate Google Gmail My Drive YouTube Crime Ju D Question 19 3 pts The manufacturer of a battery for an electric automobile advertised that it would power the car for 7.5 hours without a recharge. In a test of the claim, twelve cars were driven until the battery gave out. The following statistics were obtained. Calculate the effect size index and conduct a t test. Write a conclusion about the manufacturer's claim. EX - 88.20 EX2 -648.71 N = 12 Edit View Insert Format Tools Table 12pt ~ Paragraph~|B|I U A OUT