The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is seconds. A manager devises a new drive-through system that believes will decrease wait time. As a test, initiates the new system at restaurant and measures the wait time for randomly selected orders. The wait times are provided in the table to the right. Complete parts (a) and (b) below.

You need to put the tables.

Step-by-step explanation:

We cant answer this without context

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step-by-step explanation:

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )