Project Group 6: You are given data on the cumulative (total) number of Covid-19 cases per 1 million people in 3 random samples of high income, middle income, and low income countries as of 6 March 2022. Assume a significance level of 5% in the below questions. 1. Perform a hypothesis test to test whether the population variances of Covid-19 cases in high income and middle income countries are equal. a. Write down the hypotheses b. Report the results (copy and paste the results table from Excel) c. What do you conclude and why? 2. Perform a hypothesis test to test whether the population mean of Covid-19 cases in high income countries is higher than that in middle income countries. a. Write down the hypotheses b. Report the results (copy and paste the results table from Excel) c. What do you conclude and why