Which number line graph represents the compound inequality –6 ≤ x < 2
2 answers:
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Answer:
P-value = 0.00028
Step-by-step explanation:
The statician performs an hypothesis test for the mean difference.
As the alternative hypothesis is<em> Ha: μd ≠ 0</em>, we know that it is a two-tailed test.
The test statistic is t=6.163.
For a two-tailed test and 8 degrees of freedom, this corresponds to a P-value of:
This P-value is smaller enough to reject the null hypothesis at almost any significance level.
