2. Jules conducted a survey and asked 100 people how many years of education they have
and what their annual income is. She used the
results to make a scatter plot.

What type of assoastion should she expect to see in the scatter plot

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

What is the definition of exponential decay?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.