Question 4. MultiAngle is a NSW-based indigenous business specialised in providing tailor- made travel insurance. The CEO is assessing MultiAngle's investment in three platforms where its advertisement runs: social media, TV and radio. The following table shows the descriptive statistics of profit per month (dollars in thousands) generated from TV and radio advertisement, based on 12 monthly profit figures in a randomly chosen year. Platform Mean Variance Social Media X X TV 13.6 10.24 Radio 5.3 0.81 The analyst hired by MultiAngle lost her result of social media by accident. Fortunately, she managed to recover the raw data of monthly profit figures for social media, as shown in the table below. Monthly profit generated through social media advertisement Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17.2 l 19.7 5.3 2.1 6.7 3.3 | 12.7 18.6 13.4 3.7 15.9 l 22.4 Does the data correspond to the population or a sample? Find the median of monthly profit generated by social media advertisement. Compute the mean profit generated by social media advertisement. Compute the variance and standard deviation for social media advertisement, taking your answer to the first question into account. Verify your answer in Excel. 5. Relative to each platform's mean return achieved, which option generates the greatest volatility in profit? PWP