Mon Tue Wed Thu Fr Sat Week 2 215 180 250 213 165 185 Week 3 220176 260 220 175 190 Week 4225 78260225176 190 a) Calculate a seasonal index for each day of the week (enter your responses rounded to three decimal places). Seasonal index □□ b) Letx 1 for Monday of Week 1. If the trend equation for this problem is y 201.74+0.18x, the forecast for each day of week 5 is (round your responses to the nearest whole number) Day of week 5 Mon Tue Wed Mon Tue Wed Th Fr Sat Forecast

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The director of the Riley​ County, Kansas, library system would like to forecast evening patron usage for next week. Below are the data for the past 4​ weeks: