Mathematics, 27.11.2019 03:31 croxy0514
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 brand
arrival method
yes
no
recommendation
409
153
browsing
204
84
b. 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 at
α=0.025?
Answers: 3
Mathematics, 21.06.2019 19:10
Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?
Answers: 2
Mathematics, 21.06.2019 19:30
Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
Answers: 2
Do social recommendations increase ad effectiveness? a study of online video viewers compared viewe...
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