In: Statistics and Probability
Due to distance learning and less homework load in Peach Elementary School, parents are complaining that the average screen time is more than 3 hours per day for students in Grade 1 to Grade 3. The principal randomly selected 36 students from Grade 1 - Grade 3 and statistical summary is shown below. min 3 avg 5 max 8 std 2.5
Write the hypothesis in symbols or words Check the two conditions for CLT. Calculate the test statistics and the associated degrees of freedom Use the p-value or critical value approach to make your conclusion at 5% significance level.
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