There Is a Six-Point Difference Between Two Sample Means

question 9

Multiple Choice

There is a six-point difference between two sample means.If the two samples have the same variance,then which of the following values for the variance would make the mean difference easiest to see in a graph showing the two distributions.​

• A)​s² = 2
• B)​s² = 8
• C)​s² = 16
• D)​s² = 64