The data set provided in the following page shows the daily high and the daily low temperatures of DFW Airport, for the month of September, from 2017 to 2021. Answer the following problems. Be sure to show all necessary justification. (la) Find the five number summaries of the daily high and the daily low temperature of September 2018, and produce a side-by-side box whiskers chart. (1b) Produce a side-by-side histogram for September 2018. (1c) Use the method of linear regression on September 2018 data to find the best point estimate of the daily high temperature if the daily low is 75 degrees. (1d) Use the method of linear regression on September 2018 data to find the best point estimate of the daily low temperature if the daily high is 90 degrees. Year Date 09/01 09/02 09/03 09/04 09/05 09/06 09/07 09/08 09/09 09/10 09/11 09/12 09/13 09/14 09/15 09/16 09/17 09/18 09/19 09/20 09/21 09/22 09/23 09/24 09/25 09/26 09/27 09/28 09/29 09/30 Mean SD 2021 High 99 97 96 98 90 94 96 94 92 92 91 90 88 85 91 91 92 96 94 100 88 83 85 87 91 91 88 93 2021 Low 79 78 79 78 79 90 89 76 8865551 69 66 67 67 71 70 72 73 73 0 68 117 8 8 355 58 50 65 65 74 75 7 55 4 904218375650 1 58 2 0 59 50 52 70 72 3 5 90 78 68 60 56 60 64 68 2020 High 81 80 69 69 91 80 83 87 92 90 93 91 84 69 79 86 86 88 88 88 88 85 80 81 76 77 83 87 2020 Low 71 71 82 92 71 72 72 72 71 57 64 61 62 64 2019 High 95 96 96 97 98 100 100 99 95 96 95 96 95 98 98 96 94 93 82 96 94 93 96 95 97 95 94 95 2019 Low 71 75 77 77 75 74 75 76 76 75 73 73 77 557847445758 78 76 76 74 78 76 2018 High 95 94 81 91 75 78 79 76 86 89 86 91 92 91 93 92 93 94 94 90 86 76 72 81 91 76 79 77 79 85 2018 Low 78 76 74 75 78 Correlation for September 2018: r0.76114. 71 71 70 72 74 74 68 69 68 74 72 75 74 72 60 75 74 67 66 70 69 59 60 67 70 96 93 91 2017 High 92 92 86 96 96 95 91 85 91.1 86 96 85 35 3577 36 351895595598 997 95594 3 1 2 79 72 35 65 66 60 65444285242 65 87 87 86 95 93 95.4 75.6 85.4 70.7333 91.7 69.2333 83.8667 65.6333 4.19482 6.14022 6.57966 6.98512 3.14697 1.73404 7.23307 4.90554 6.19427 5.37138 78 75 2017 Low 70 72 73 74 74 73 76 78 73 74 74 74 72 62 77 69 72 67 70.1 64 73 65 61 62