Using the data shown on the graph, which statements are correct? A) The constant ratio of y/x is 2/1
B) The ratio of calories burned/ time is not consistent
C) The graph does not represent a proportional relationship.
D)
The graph represents a proportional relationship because (0, 0) is included.
E)
The graph represents a proportional relationship because x-values and y-
values are constantly increasing.

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in: