Solve this

Number of bookings in a ve start hotel before and after the withdrawal of (SQUID-19 restrictions are recorded for 20 days. Before 22 55 95 27 45 55 61] 51] \"1'5 46 94 2 34 4? 33 73 4? 61 48 T2 After 37 1'2 9? 39 63 5? '16 59 28 61] 192 22 41 61] 51] 91 62 65 5? 89 (a) Assuming the differences due to restriction withdrawal follow normal distribution, construct a 90% condence interval for mean difference. (h) At 5% level of signicance, test that the withdrawal of COVID-19 restriction differs in booking