Use the following information to answer the next question: Fred’s Frozen Creations has been contracted to train Utah’s synchronized ice sculpting team. They have identified two different independent variables (ice sculpting hours and number of ice blocks used in training) in two different equations to evaluate the cost of training. The results of the two regressions are as follows: (PLEASE REFER TO ATTACHED IMAGE) 20.) Assume Fred’s Frozen Creations chooses to use the number of ice blocks to estimate the cost of training. Construct a 90% confidence interval for the cost of training when the number of ice blocks used is estimated at 1,300. Assume 1,300 ice blocks is within the relevant range. (Round all calculations to the nearest dollar) a. ($223,240, $371,338) b. ($211,035, $383,543) c. ($216,475, $364,573) d. ($258,475, $336,103) e. ($207,844, $386,734) f. ($208,275, $386,303) g. ($297,027, $297,551) h. None of the above.
Use the following information to answer the next question:
Fred’s Frozen Creations has been contracted to train Utah’s synchronized ice sculpting team. They have identified two different independent variables (ice sculpting hours and number of ice blocks used in training) in two different equations to evaluate the cost of training. The results of the two regressions are as follows: (PLEASE REFER TO ATTACHED IMAGE)
20.) Assume Fred’s Frozen Creations chooses to use the number of ice blocks to estimate the cost of training. Construct a 90% confidence interval for the cost of training when the number of ice blocks used is estimated at 1,300. Assume 1,300 ice blocks is within the relevant
a. ($223,240, $371,338)
b. ($211,035, $383,543)
c. ($216,475, $364,573)
d. ($258,475, $336,103)
e. ($207,844, $386,734)
f. ($208,275, $386,303)
g. ($297,027, $297,551)
h. None of the above.
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