Answer:
Explanatory variable : web page design
Response variables : Visitor's rating and amount of time visiting the site.
Kindly check explanation for the rest.
Step-by-step explanation:
The explanatory variable simply means the independent or predictor variable which is used to bring about a change in the dependent or predicted variable. The explanatory variable in the scenario above is the web page design which is used to measure the behavior and changes in the response variable which are the rating given by visitors and the number of visits on each of the two different web page designs available (explanatory variable).
The confounding factor which may affect the study is the different area assigned to test the effectiveness of each page ; designating one page for the Oakland area and the other for Miami. User preferences for each area may itself mask the actual outcome of the experiment.
Answer:
point S
Step-by-step explanation:
The end point of each ray given is point S, as the definition of the ray states that there is only one end point, and the other continues indefinitely. Technically, if you use all the others as a start point, they also work as rays, but because S is the start point of all lines, S is the safer answer.
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Answer: 6 hours
Step-by-step explanation:
18 ÷ 3 = 6 hours :)
B/C = K/L because they are similar
40 tens = how many hundreds. 40 x 10 = 400
