course name is Business statistics-2 .

Q1: During COVID-19, Students have experienced online classes. In this pandemic era Some of students claim that online classes are more effective than physical classes [Claim l) while some of them claim that online classes are less effective than physical classes [Claim ll]. Who is right? This is a time to check! Suppose a hypothetical example has to be taken which shows that the the average marks of students as a population is 13. The sample size of 100 students is taken and if the average marks of 100 students is 13.5 with standard deviation of 3. Can you inference whose claim is correct? Take Condence level of 95%. Note: Take the claim (Ho) as per your thinking and Observation from Claim I and