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sh the exam.
A researcher is testing whether the average weight of a new breed of dogs is different from 11.5 kg. After
conducting a one-sample t-test, the researcher calculates a 95% confidence interval for the average weight of
the dogs to be (10 kg, 12 kg). Based on this confidence interval, which of the following conclusions can the
researcher draw about the hypothesis test at a significance level of 0.05?
A. The null hypothesis that the average weight is 11.5 kg cannot be rejected.
B. The null hypothesis that the average weight is 11.5 kg can be rejected.
C. The average weight is significantly different from 11.5 kg.
D. The P-value is less than 0.05.
