Ok, kind of hard to draw a graph here, but i will try. Look at the numbers, list them from least to greatest. then create the line plot with the numbers, then a tally table.
The difference of their speeds is 1.3 mph because Andrew was walking 4.5 mph and Jill was walking 3.2mph.
Answer:
Not enough information, need a picture.
Step-by-step explanation:
Answer:
465
Step-by-step explanation:
Margin of error = critical value × standard error
ME = CV × SE
Assuming 95% confidence, CV = z = 1.96.
Standard error is:
SE = σ / √n
SE = 3.3 / √n
Given margin of error of 0.3:
0.3 = 1.96 × 3.3 / √n
n = 465
