Question

The following data refers to the ages (in years) and prices (in thousands of dollars) of...

  1. The following data refers to the ages (in years) and prices (in thousands of dollars) of a random sample of 10 cars.

    age x (in years)

    5

    9

    16

    2

    3

    2

    3

    16

    8

    10

    price y (in $000's)

    10

    19

    10

    45

    45

    55

    34

    12

    15

    12

    where x is the age of the car (in years) and y is the selling price (in thousands of dollars).

    The 95% confidence interval for the average price of a 5-year-old car is closest to:

    $3000 to $21,700

    $3500 to $60,000

    $8000 to $16,600

    $22,400 to $41,000

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