Sally is analyzing wheat production. She sampled 700 wheat farmers from across the state. She found a sample mean of
39 bushels per acre, with a standard deviation of 4.5 bushels. Using a 95% confidence interval, what inference can she
make?
The yield per acre of wheat farms in the state ranges from 36.32 to 37.35 bushels.
The yield per acre of wheat farms in the state ranges from 38.67 to 39.33 bushels.
The yield per acre of wheat farms in the state ranges from 42.64 to 46.31 bushels.
The yield per acre of wheat farms in the state ranges from 43.86 to 49.52 bushels.