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Customers Temperature Weekend 396 69 A manager at an ice cream store is trying to determine how many customers to expect on any given day. Overall business has been relatively steady over the past several years, but the customer count seems to have ups and downs. He collects data over 30 days and 417 85 records the number of customers, the high temperature (in degrees Fahrenheit), and whether the day fell on a weekend (Weekend equals 1 if weekend, 0 otherwise). A portion of the data is shown in the accompanying table. 507 73 Customers Temperature Weekend 326 69 396 417 492 79 415 72 692 80 0 nicture Click here for the Excel Data File 711 72 a. Estimate: Customers = So + #1Temperature + ByWeekend + . (Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) 524 88 Customers = Temperature + Weekend 433 67 478 71 357 61 b. How many customers should the manager expect on a Sunday with a forecasted high temperature of 80"? (Do not round 410 70 O intermediate calculations. Round final answers to 2 decimal places.) 683 97 Customers 700 79 478 86 o o O - - 452 65 339 71 461 66 158 76 O 661 89 0 654 89 1 1. Interpret the estimated coefficient for Weekend. 577 77 1 The predicted number of customers is approximately 75 less on weekends than on a week day, holding temperature the 644 91 same. The predicted number of customers is approximately 19 less on weekends than on a week day, holding temperature the same. 527 98 - 0 - The predicted number of customers is approximately 19 more on weekends than on a week day, holding temperature the same. 435 83 The predicted number of customers is approximately 75 more on weekends than on a week day, holding temperature the same. 325 62 683 78 c-2. Is the variable Weekend significant at the 5% level? 747 91 Yes, since we reject the relevant Ho 444 70 Yes, since we do not reject the relevant Ho. O No, since we do not reject the relevant Ho- 415 72 0 O No, since we reject the relevant go c-3. How might this affect the store's staffing needs? The manager may want to plan on staffing the store with less employees on the weekends. The manager may want to plan on staffing the store with less employees during weekdays. O The manager need to adjust staffing based on the day of the week. The manager may want to plan on staffing the store with more employees on the weekends