Consider the following competing hypotheses: Use Table 2.

Hypotheses: H₀: ?_D ? 2; H_A: ?_D > 2 Sample results: = 6.0, s_D = 7.3, n = 20

The following results are obtained using matched samples from two normally distributed populations:

a-1.Calculate the value of the test statistic. (Round all intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.)

a-2.Assume normality to approximate the p-value. 0.025 < p-value < 0.050

.01 < p-value < 0.0250

.05 < p-value < 0.100

.005 < p-value < 0.010

p-value < 0.005

b.Use the 1% significance level to make a conclusion.

Reject H₀ since the p-value is less than ?.

Reject H₀ since the p-value is more than ?.

Do not reject H₀ since the p-value is less than ?.

Do not reject H₀ since the p-value is more than ?.

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