Question 1 Compare the ratings of Shangri-La’s Rasa Sentosa Resort & Spa and Shangri-La Hotel Singapore. Describe the customers’ ratings of the two hotels via descriptive statistics. Identify the...

Question 1
Compare the ratings of Shangri-La’s Rasa Sentosa Resort & Spa and Shangri-La Hotel Singapore. Describe the customers’ ratings of the two hotels via descriptive statistics. Identify the measures of location and dispersion. Interpret your preliminary observations.
(15 marks)
Question 2
(a) State 95% confidence intervals for the ratings of the two Shangri-La hotels. Interpret these confidence intervals.
(10 marks)
(b) Describe the key assumption(s) you have made in constructing confidence intervals. Discuss if this/these assumption(s) is/are reasonable.
(5 marks)
(c) Explain whether or not you can conclude that the customers’ online ratings of the two hotels are different.
(5 marks)
Question 3
Select an appropriate test of hypothesis to determine if the average rating of Shangri-La Hotel Singapore is higher than that of Shangri-La’s Rasa Sentosa Resort & Spa.
You should include the following:
(a) State the null and alternative hypotheses and explain how you develop these two hypotheses.
(5 marks)