Question
A recent report found that students between the ages of 13 and 15 watch 15.25 hours of television per week. The distribution of times follows
A recent report found that students between the ages of 13 and 15 watch 15.25 hours of television per week. The distribution of times follows the normal distribution. A researcher would like to look into these findings further. A random sample of 55 students revealed the mean was 14.75 hours with a standard deviation of 1.5 hours. At the 0.05 significance level, can we conclude that this group of students watch less than 15.25 hours of televison per week?
Calculate the test value for this hypothesis test rounded to 2 decimal places.
Test value = [a]
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