Question
George, a marketing analyst at a tech company, believes tablet salesare decreasing at the company. He would like to test the claim that the average
George, a marketing analyst at a tech company, believes tablet salesare decreasing at the company. He would like to test the claim that the average number of tablet sales per monthis under150
sales. Using the computed test statistic of?1.56
and the critical value of?1.96
, is there enough evidence for the marketing analyst to reject the null hypothesis?
Use the graph below to interpret the critical value. First, select the appropriate test type (left-, right-, or two- tailed), then plot the points along the x-axis (for the critical value and test statistic), and use them to choose the appropriate interpretation.
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