ROUND TO 3 DECIMAL PLACES PLEASE

1.

In a study of medications to treat high blood pressure, 4 different medications (A, B, C, D) were tested. For each medication, systolic blood pressure readings for patients were shown below. Determine whether there is a significant difference in the mean blood pressure using the four medications at the 10% significance level. A B C D 118 120 112 134 111 143 109 120 115 128 125 130 120 108 104 127 127 131 118 122A survey of students is trying to determine if the average amount a student studies out of class varies depending on how many social media platforms they use. The units of measure are minutes/day. No social media platforms One social media platforms More than one social media platforms 21 52 79 36 45 32 55 69 32 55Birth weight has decreased in the US since 1990, and a student is curious to see if the mean birth weights for Canada have remained constant. They sampled some birth records, and grouped them into 3 different sets, finding the following birth weights. 1990-1999 (lbs) 2000-2009 (lbs) 2010-2019 (lbs) 7.5 8.2 8.9 9.0 8.1 6.4 8.4 9.9 7.9 6.6 7.7 7.5 6.8At a BC dental conference, a group of dental assistants are curious if the hourly wages differ from province to province, and share their wages with one another. BC Alberta Sasketchewan $28.12 $32.94 $27.48 $28.66 $31.80 $31.54 $27.01 $28.50 $29.91 $24.96