46 The scatterplot shows the number of hours that 12 people spent learning to type on a keyboard and each person's average typing speed.
Typing Speed Data
100
&
90
80
70
60
Average Typing Speed
(words per minute)
50
20
10
0
10 20 30 40 50
Number of Hours of Learning
Based on the scatterplot, what is the best prediction of a person's average typing speed in
words per minute (wpm) if the person has spent 70 hours learning to type?
F
100 wpm

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.