Q:Question:give many thumbs up to those who can solve T A loan officer compares the interest rates for 48-month fixed-rate auto loans and 48-month variable-rate auto loans. Two independent, random samples of auto loan rates are selected. A sample of five 48-month variable-rate auto loans had the following loan rates: 2.50% 3.10% 2.869% 3.23% 3.17% while a sample of five 48-month fixed-rate auto loans had loan rates as follows: 4.034% 3.77% 4.387% 3.76%A:Answer:Given Data The null and alternative hypothesis are...