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Bumble wants to purchase a tablet only if it can improve efficiency on his reading assignments for classes. To test this, Bumble sampled 35 classmates and asked each of them to read materials first on paper and then on a tablet screen. Performances of the 35 classmates (words per minute) are recorded on Excel file Exam2_Reading_Speed (on Blackboard > Resources > Exam 2 Files). In the file, the scores under “Paper” and “Screen” columns are words per minute read on corresponding conditions for each of the 35 classmates. Using the significance level of 0.05 conduct an appropriate hypothesis test to determine if reading on screen is faster than on paper.
a) Should this test be a one-tail or two-tail test? Circle one below and briefly state why.
b) State the appropriate Ho and H1 for this test and interpret each of them in words.
c) Conduct the test and indicate the calculated test statistic, critical value, and p-value.
d) State your test conclusion and interpret your answer in words.
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