A survey organization is investigating whether the average number of social events attended per month by young adults in a specific city significantly differs from the national average of = 4 events ( = 1). The organization collects data from a sample of 150 young adults, finding their average to be M = 4.5 events. What type of hypothesis test should the organization use to assess if the local average social event attendance significantly deviates from the national average?After conducting an experiment, the scientist conducted found that there is improvement in memory among students who have a healthier diet compared to students who are frequent fast food consumers. The scientist used: one tailed test (RIGHT) None of the option is correct one tailed test (LEFT) Two tailed test