Based on this graph, what can be concluded about the economy between 1991 and 2008? The economy was getting stronger because unemployment was low. The economy was getting stronger because too many manufacturing jobs were available. The economy was getting weaker because employment was low.'

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

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?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]