Based on the data in Figure 1, construct a 95% confidence interval to estimate the mean no. of Australian tourist arrivals per year to Malaysia. 2. Based on the data in Figure 1, at 0.05 level of significance, can we claim that in general, the mean no. of Australian tourist arrivals per year to Malaysia is lower than 4 million. Use the critical value approach.             3. Compare the result in 1(a) and 1(b) and make your final conclusion.

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Figure 1 shows the no. of Australian tourist arrivals to Malaysia from the year 2010 to 2019.

2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
0.58 0.56 0.51 0.53 0.57 0.49 0.38 0.35 0.35 0.37

Figure 1: Average no. of Australian tourist arrivals to Malaysia per year

  1. Based on the data in Figure 1, construct a 95% confidence interval to estimate the mean no. of Australian tourist arrivals per year to Malaysia.

2. Based on the data in Figure 1, at 0.05 level of significance, can we claim that in general, the mean no. of Australian tourist arrivals per year to Malaysia is lower than 4 million. Use the critical value approach.

           

3. Compare the result in 1(a) and 1(b) and make your final conclusion.

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