Marco measured the height of his snowman at the beginning of the week and again after five days. The change in height was -10 inches. How much did the snowman shrink per day?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below. correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance. what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?

Is the square root of 4 plus the square root of 16 rational?