The contents of 10 containers of a certain brand of hand sanitizer are 10.5, 10.2, 9.9, 10.0, 10.4, 10.3, 9.8, 10.1, 9.7 and 10.3 liters. Find a 95% confidence interval for the mean sanitizer content of all such containers.

According to ohrp, a problem is an “unanticipated problem” when it meets which of the following criteria: unexpected, related or possibly related to the research, suggests that the research does not put the subjects or others at greater riskunexpected, related or possible related to the research, suggests the research puts subjects or others at greater riskunexpected, unrelated to the research but still occurring with a subject, suggests the research puts others at greater riskexpected, related or possible related to the research, suggests the research puts others at greater risk

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling