A researcher wants to investigate the influence of the average no. of nights spent per year by the tourists from Japan on the average amount spent by them. Table 3 shows the related data obtained from the Department of Statistics Malaysia website. Table 4 shows a portion of Microsoft Excel output for the regression analysis performed based on the data in Table 3.

Table 3: Data on the nights spent by tourists from Japan and amount spent

Year Average no. of nights spent Average amount spent [in RM billion) 2010 5.9 1.1 2011 5.1 1.1 2012 5.1 1.4 2013 5.3 1.5 2014 5.4 1.8 2015 5.1 1.5 2015 5.2 1.3 201? 5.3 1.2 2018 5.6 1.7 2019 5.9 2.3