Q2 18.2. Christmas spending, (Part I) The 2020 holiday retail season had been marked by somewhat lower self-reported consumer spending than was seen during the comparable period in 2019. To get an estimate of consumer spending, 436 randomly sampled UK adults were surveyed about their 2020 spending. Daily consumer spending for the six- day period prior to Christmas. averaged 84.?1. A 95% confidence interval based on this sample is (30.31, 89.11). Determine whether the following statements are true or false. and make sure you could explain your reasoning if asked. 80 60 40 20 D llllIII 0 so 100 150 200 250 300 Spending 18.3. Christmas spending. (Part II) Exercise 02 1&2 provides a 95% condence interval for the average spending by UK adults in the sixday period prior to Christmas in 2029: (80.31. 89.11). (a) A local news anchor claims that the average spending during this period in 2020 was 95 What do you think of this claim? {b} Would the news anchor's claim he considered reasonable based on a 90% confi- dence interval? [Make sure you understand why or why not. and note that you do not need to calculate the confidence interval to answer this question] [1] l1]