Sample means show a large variation because the data set has a large range. When there is a large variation in the data set, the sample means also will have a large variation. Jennie included small values in her sample, while Charles included high values.
Answer:
x = 5
Step-by-step explanation:
Step 1: Write equation
3x - 4 = 2x + 1
Step 2: Solve for <em>x</em>
<u>Subtract 2x on both sides:</u> x - 4 = 1
<u>Add 4 on both sides:</u> x = 5
Answer:
142/999
Step-by-step explanation:
180-150 = 30 ton increase
30/150 = 0.2 = 20 % increase