Elementary Statistics.. Calculate sd and find the standardized test statistic t..

Question

destinyyyy · Answer

attachment

destinyyyy · Answer

Part C and D.

destinyyyy · Answer

d= Ed/n = 0.6/8 = 0.075

vuriffy · Answer

It's been a year or so, can you please tell me how you got e?

vuriffy · Answer

n does seem correct.

destinyyyy · Answer

I did 1088.2 - 1087.6= 0.6 

d represents the difference between entries for a data pair

vuriffy · Answer

Ahh okay, that's what I thought. I actually just got my calculator to do such a thing.

destinyyyy · Answer

Im stuck after that

vuriffy · Answer

Okay, well, that is completely correct for 0.6/8 = 0.075.

destinyyyy · Answer

Yes I already know that

vuriffy · Answer

I just wanted to run the numbers to make sure.

vuriffy · Answer

What did you do for sd? 

Does sd mean standard deviation in this case?

destinyyyy · Answer

It says "The variable sd represents the standard deviation of the differences between the paired data entries in the dependent samples."

vuriffy · Answer

You used data from both sets, correct?

destinyyyy · Answer

To get d yes. This is my first attempt with this question

destinyyyy · Answer

This is a question from a practice quiz from Pearson. I enter into the quiz and submit without answering a single question. Then I go back over it and learn to solve it all. Then take it again and actually answer questions

destinyyyy · Answer

submitted *

vuriffy · Answer

Do you know how to use the standard deviation formula?

vuriffy · Answer

We are going to have to pair each data set from the beginning one to the ending one in the same column.

destinyyyy · Answer

Im going to answer no. It showed me two formulas on the example but ive never seen it before till now

vuriffy · Answer

We will be doing this:

vuriffy · Answer

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