A company is researching the effectiveness of a new website design to decrease the time to access a website. Five website users were randomly selected,and their times (in seconds) to access the website with the old and new designs were recorded. To compare the times,they computed new website design time − old website design time. The results are shown here. 
What is the null hypothesis?
Definitions:
Q1: A national manufacturer of ball bearings is
Q12: A measure of the long-run average value
Q18: In the least squares equation, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2636/.jpg"
Q19: Some important uses of the chi-square include
Q38: Multiple regression analysis is applied when analyzing
Q40: If the null hypothesis states that there
Q41: The Greek letter used to represent the
Q58: What are the degrees of freedom used
Q69: In ANOVA,the null hypothesis is _.<br>A)H<sub>0</sub>: σ<sub>1</sub><sup>2</sup>
Q74: If the correlation between two variables is