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Camp Rainbow offers overnight summer camp programs for children ages 1014 every summer during June and July. Each camp session is one week and can accommodate up to 200 children. The camp is not coed, so boys attend during the odd-numbered weeks and girls attend during the even-numbered weeks. While at the camp, participants make crafts, participate in various sports, help care for the camps resident animals, have cookouts and hayrides, and help assemble toys for local underprivileged children. The camp provides all food as well as materials for all craft classes and the toys to be assembled. One cabin can accommodate up to 10 children, and one camp counselor is assigned to each cabin. Three camp managers are on-site regardless of the number of campers enrolled. The results of the least-squares regression of the number of campers and the cost to run camp are given below. Following is the cost information for Camp Rainbows operations last summer:

Week	Number of Campers	Cost to Run Camp
1	90	$8,050
2	118	8,460
3	156	10,900
4	174	11,100
5	188	13,670
6	184	14,300
7	170	12,325
8	156	11,270

Required:

1. Perform a least-squares regression analysis on Camp Rainbows data.

2. Using the regression output, create a cost equation (y = a + bx) for estimating Camp Rainbows operating costs.

3. Using the least-squares regression results, calculate the camps expected operating cost if 170 children attend a session.

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