For fast-food restaurants, the drive-through window is an important revenue source. The chain that offers the...
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For fast-food restaurants, the drive-through window is an important revenue source. The chain that offers the fastest drive through service is likely to attract additional customers. A recent quick service magazine wanted to test the drive-through window speed of two different restaurants, Wendy's and McDonalds. The researcher wanted to know if McDonalds had a faster drive-through window time than Wendy's. If the following data were collected, what t should be used for this test (assume a .01 level of significance)? X-barm 129.75 seconds nm 48 X-barw 149.69 seconds M 2.6280 2.365 1.6609 2.3654 nw=50 For fast-food restaurants, the drive-through window is an important revenue source. The chain that offers the fastest drive through service is likely to attract additional customers. A recent quick service magazine wanted to test the drive-through window speed of two different restaurants, Wendy's and McDonalds. The researcher wanted to know if McDonalds had a faster drive-through window time than Wendy's. If the following data were collected, what t should be used for this test (assume a .01 level of significance)? X-barm 129.75 seconds nm 48 X-barw 149.69 seconds M 2.6280 2.365 1.6609 2.3654 nw=50
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Operations Management Creating Value Along the Supply Chain
ISBN: 978-0470525906
7th Edition
Authors: Roberta S. Russell, Bernard W. Taylor
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