We will rank the y-values of the following data set:

A food bank investigates if the number of times their donors walk by a homeless person each week impacts donors’ charitable contribution to the food bank. The data are presented below in standard form.     # of homeless people seen each week Donation to food bank Donor ZX ZY 1 -1.3 0.36 2 0.64 -0.09 3 -1.1 1.26 4 -0.14 0.14 5 1.41 -0.54 6 -0.52 -0.09 7 1.03 -1.9 8 0.64 -0.99 9 0.83 0.36 10 -1.49 1.49   What does ΣZXZY equal? A) 941B) 7.86C) -7.16D) -4.44       What is the correlation (Pearson’s r) between the number of homeless people donors see each week and their donation to the food bank (rounded to 2 decimal places)?  A) .98B) -.80C) .72D) -.56     What is the obtained t-value for this r? A) -2.96B) -16.35C) -3.72D) -1.89     What are the degrees of freedom?  A) 4B) 20C) 8D) 10      What is the critical t-value?  A) 3.68B) 2.31C) 2.01D) 3.30     What is your conclusion?  A) There is…

Consider the following ordered data. 4   7   7   8   9   9   10   11   12 Find the low, Q1, median, Q3, and high Find the interquartile range

Represent the following data on a stem and leaf plot.