Using the results below: M1 = 18.57, M2 = 18.33, SM1-M2 = 0.97, tcv = 1.997 1. Calculate a 95% confidence interval estimating the true difference between the population mea Write the final answer in brackets [x.xx, x.xx]. 2. Based on your answer, explain whether there is a significant difference between the two populat means. What about your answer tells you whether there is a significant difference or not?

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A: Given: n = 324, x̄ = 2.7, s = .91, se = .06.

Q: I am unsure of what steps to take when finding the confidence interval.

A: It is given that:

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Q: 90% confidence

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Q: Using the results below:          M1 = 18.57,    M2 = 18.33,    SM1−M2 = 0.97,    tcv = 1.997 1.…

A: Given, M1 = 18.57,    M2 = 18.33,    SM1−M2 = 0.97,    tcv = 1.997

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