When we retain the null hypothesis, we: claim that a significant difference exists between groups. have obtained a t value greater than our critical t value. have committed a Type 1 error. conclude that sampling error is responsible for our obtained difference.

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second