Which type of hypothesis test would be most appropriate to use?A. One mean, sigma knownB. One mean, sigma unknownC.Mean of difference using dependent samples (paired data)D. Difference of two means using independent samples E. Several means(ANOVA)

Researchers wanted to study the effect that social media has on the intelligence of adults. They randomly chose 25 adults and had them use social media for at least two hours a day for seven consecutive days. They also randomly chose 20 adults and had them refrain from using social media for seven consecutive days. After that, they had both groups take a standardized 10 test