2. Which of the following ratios forms a proportion with 2/5?" 10 points
2
5
16
10
40
30
OA
OB
-12
12
25
35
Oc.

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box