Most children enjoying watching television, but child psychologists are concerned that watching three hours or more of television per day negatively impacts a child's ability to sleep. the amount of time a person sleeps is called sleep duration. consider the following independent samples. sample 1 has the sleep durations of 14 children who watched television for three hours or more on a given day. the mean sleep duration for this sample was 6.78 hours with a standard deviation of 0.63 hours. sample 2 has the sleep durations of 18 children who watched television for less than three hours on a given day. the mean sleep duration for this sample was 7.44 hours with a standard deviation of 1.05 hours. researchers have determined that these populations are normal. can we conclude at the 5% significance level that children who watch more than three hours of television get less sleep than children who watch less than three hours of television? step 1: determine the hypotheses 1 assume that the children who watch three hours or more are population 1. also assume that children who watch less than three hours are population 2. now state the null and alternative hypotheses. 2 will this be a left-tailed, right-tailed, or two-tailed test?