1 Brand Advertised , Time of Ad (sec) Score 2 Brand 1 60 7.48 3 Brand 2 30 7.32 4 Brand 3 30 6.77 5 Brand 4 30 6.76 6 Brand 5 30 6.63 7 Brand 6 30 6.49 8 Brand 7 60 6.42 9 Brand 8 60 6.28 10 Brand 9 60 6.25 11 Brand 10 30 6.21 12 Brand 11 60 5.19 13 Brand 12 60 6.18 14 Brand 13 60 6.14 15 Brand 14 30 6.14 16 Brand 15 30 6.04 17 Brand 16 30 6.02 18 Brand 17 60 5.86 19 Brand 18 30 5.71 20 Brand 19 60 5.67 21 Brand 20 30 5.64 22 Brand 21 30 5.51 23 Brand 22 60 5.51 24 Brand 23 30 5.43 25 Brand 24 30 5.38 26 Brand 25 30 5.27 27 Brand 26 30 5.26 28 Brand 27 60 5.24 29 Brand 28 30 5.08 30 Brand 29 30 5.01 31 Brand 30 30 4.96 32 Brand 31 30 4.94 33 Brand 32 60 4.91 34 Brand 33 30 4.89 35 Brand 34 60 4.88 36 Brand 35 30 4.75 37 Brand 36 30 4.75 38 Brand 37 30 4.68 39 Brand 38 30 4.65 40 Brand 39 30 4.55 41 Brand 40 30 4.55 42 Brand 41 30 4.55 43 Brand 42 30 4.48 44 Brand 43 30 4.47 45 Brand 44 30 4.47 46 Brand 45 30 4.45 47 Brand 46 60 4.44 48 Brand 47 30 4.42 49 Brand 48 30 4.42 50 Brand 49 30 4.24 51 Brand 50 30 4.04 52 Brand 51 30 3.98 53 Brand 52 30 3.79 54 Brand 53 30 3.68 55 Brand 54 30 3.14 56 Brand 55 60 2.86 57 Brand 56 60 2.78 58 Brand 57 60 2.53 59 60 61 62 63 64 65 66In recent years, there has been a great deal of interest in the ads that appear during a widely watched sporting event. These ads vary in length with most lasting 30 seconds or 60 seconds. The data table available below contains the ad length and ad scores (based on a 10-point maximum) from a recent event. Complete parts (a) through (e) below. Click the icon to view the data containing ad scores for 30-second ads and 60-second ads. a. For the 30-second ads and the (SO-second ads separately, construct a 95% condence interval estimate for the population mean ad score. The 95% condence interval estimate for the population mean ad score for (SO-second ads is 5 us (Round to two decimal places as needed.) {ample Get more help - Clear all