A parenting magazine reports that the average amount of wireless data used by project Ella sets out to prove the magazine wrong She claims that the mean am collects information from a simple random sample of 4 teenagers at her high sch standard deviation of 0 7 Gb per month Assume that the population distributio level of significance Step 3 of 3 Draw a conclusion and interpret the decision Answer We fail to reject the null hypothesis and conclude that there is s that the average amount of wireless data used by teenagers ead We reject the null hypothesis and conclude that there is sufficie