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{"ops":[{"insert":"A chef at a restaurant feels that the amount of time that people spend waiting in line to get served is too long. To determine if a new loading and unloading procedure effectively reduces the wait time, he measures the amount of time (in minutes) people are waiting in line for seven days. To make a reasonable comparison, he chooses times when weather conditions are similar.\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Mon \u00a0 \u00a0 \u00a0 \u00a0 Tues\u00a0 \u00a0 \u00a0 \u00a0 Wed \u00a0 \u00a0 \u00a0 \u00a0 Thurs\u00a0 \u00a0 \u00a0 \u00a0 Fri\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Sat \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Sun\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02p.m \u00a0 \u00a0 \u00a0 \u00a0 2p.m\u00a0 \u00a0 \u00a0 \u00a0 2p.m\u00a0 \u00a0 \u00a0 \u00a0 2p.m\u00a0 \u00a0 \u00a0 \u00a0 2p.m\u00a0 \u00a0 \u00a0 \u00a0 2p.m\u00a0 \u00a0 \u00a0 \u00a0 2p.m\nWait time before X1\u00a0 \u00a0 \u00a0  12\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 26\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 20 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 38\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 57\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 82 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 57\nWait time after X2\u00a0 \u00a0 \u00a0 \u00a0   11\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 28\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 19 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 36\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 59\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 75 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 55\n\nIs the new loading and unloading procedure effective in reducing the wait time at the a=0.05 level of significance?\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n"},{"attributes":{"bold":true},"insert":"State the null hypothesis and identify the claim."},{"attributes":{"list":"ordered"},"insert":"\n"},{"attributes":{"bold":true},"insert":"Find the critical value"},{"attributes":{"list":"ordered"},"insert":"\n"},{"attributes":{"bold":true},"insert":"Test Value"},{"attributes":{"list":"ordered"},"insert":"\n"},{"attributes":{"bold":true},"insert":"Make a decision on the hypothesis"},{"attributes":{"list":"ordered"},"insert":"\n"},{"attributes":{"bold":true},"insert":"Make a decision on the claim."},{"attributes":{"list":"ordered"},"insert":"\n"},{"insert":"\n"}]}

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