See attached scatter plot
this does not show a linear pattern
4/5 mile in 1/2 hour.
1/2 * 2 = 1
4/5 * 2 = 8/5
8/5 miles per hour or 1.6 miles per hour
Current year is 2016
born year is 1977
old
2016 - 1977
39 years
Answer
z11.7 is between 1 and 2 standard deviations of the mean.
Step-by-step explanation: