Complete the Magic Squares

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

Write a linear funtion f with the values f(2)=-1, and f(5)=4

All of the following ordered pairs satisfy the function rule y=-2x-1 except.