In Exercises 130, solve each equation. Be sure to check your proposed solution by substituting it for the variable in the original equation. 3(x 1) 7(x 2) 3

Intro to Stats Weekly Notes 1. quantitative, discrete (whole #’s) qualitative inferential 2. a. cluster b. stratified c.systematic (simple random- everyone has an equal chance) 3. a. sample mean= 5 median=4 mode= 3 range=9 SD= 3.03 b. min=3 Q1=3 Q2=4 Q3= 5.5 Max= 12 IQR= 2.5 L.L.= -0.75 U.P.= 9.25 Potential outlier= 12 4. a. 20/50=2/5=0.40 b. 1- P(right male)= 1-.40=0.6 5. a. 0.1 + 0.4 + 0.3= 0.8=80% b. 1.65