Quiz on 1.2: Displaying Quantitative Data Here are the amounts of money (cents) in coins carried by 12 students in a statistics
class: 55, 35, 0, 45, 76, 0, 10, 43, 25, 22, 99, 34.
a. Make a dot plot of the data above. Make sure to label the axis, create equally spa
values from 0-100 cents, and title your dot plot:
b. Convert the dot plot above into a stem and leaf plot, make sure you create a key:
Stom
Leaf

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?