Hypothesis Testing of Mean:
P-value Method

Use the p value method to
determine whether or not to accept or reject the null and alternate hypotheses.

1. You are determining whether the
true mean is less than 11 with a 95% confidence based on the following
statistics:

n(sample size) = 14 sample mean =
9 sample st. dev = 4

2. You are trying to determine
whether the true mean is not equal to 10, with a 95% confidence based on the
following descriptive statistics.

n = 14 sample mean = 12 sample st.
dev = 3

3. You are trying to determine
whether the true mean is greater than 1 with a 96% confidence based on the
following descriptive statistic:

n = 16 sample mean = 3 population
st. dev = 4

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