Mary H.

asked • 07/18/18

independent sample t test


A 95% confidence interval for the difference of means is calculated to be -1.23 to -0.33. What conclusion can be made? Select all that are true.

Question 9 options:

The two group means are equal.


The two group means are significantly different.


The two group means are not significantly different.


No conclusion can be made from the confidence interval.

1 Expert Answer

By:

Walter B. answered • 07/18/18

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