Venous blood vessel pathways  11

Arteries and veins 9

Areas drained by veins 5

When considering the total amount of tips for each day between the male and female groups, what day did females tip the most? Hint: Create a PivotTable to determine the answer.

What percentage of customers visited the restaurant on Saturday and Sunday? 

What is the correct x-axis label for the left bar below? Hint: You can use the PivotChart tool.     

Calculate the correlation coefficient for each pair of numerical variables. Based on these values, which pair of variables shows the weakest relationship?

Appoximately what percentile of customers tipped $3.00 or less? 

What were the lowest and highest frequencies of party sizes among restaurant customers?

30. What drugs promote secretion of urine?