Answer:
Explanation:
Hypothesis testing invariably used to test a claim about a population parameter is widely used to check whether they hypothetical claim made is right.
For example, mean scores of a particular college is more than 75% is tested with hypothesis as setting null as equal to 75% and alternate >75%
Processes are done stepwise from the sample collected and conclusion made
Confidence interval on the other hand is the range of values within which the parameter is expected to lie at a certain confidence level
Estimated population parameter is provided for error known as margin of error depending upon the confidence level, and an interval is prepared which guarantees to the extent of confidence that parameters will fall within.
Hypothesis testing can be concluded with the use of confidence intervals also.