Statistics
स्टोरीबोर्ड पाठ
- Hey, What's wrong? Why are you crying?
- it's because I wasn't able to do well in the review test and I'm worried because tomorrow is the real exam and I can't do well.
- Hmmmm, maybe i can help you with that. Tell me, what topic do you not understand?
- It's Identifying Appropriate Test Statistics Involving Population Mean.
- Really? You'll help me?
- Eh? An easy one. Ok for the first question, do you know what is Z-Test?
- Yes, you got it right!
- Is it a statistical test used to determine whether two population means are different when the variances are known and the sample size is large?
- Hmmmm, wait let me guess.
- Then, how about the T-test?
- Oh, you got it right again! Hmmm, you said you struggled that much in that topic but it doesn't look like you're struggling too much, you're actually capable.
- I know that one, it is used when the population variance or standard deviation are not known.
- For the last question, What is Central Limit Theorem?
- It states that if you have a population with mean and standard deviation and take sufficiently large random samples from population with replacement, then the distribution of the sample means will be approximately normally distributed.
- Oh so that is Central Limit Theorem. hmmm from now on, I'll remember it.
- Hmmm, I don't know that, what is that?
- So that's it, I hope I helped you with that.
- I wish you luck, and I also hope you don't forget what you've learned today. Bye! See ya tomorrow!
- You've been a great help, Thank you! I can answer the exam tomorrow.
- Yes of course, I guess I'll just review it at home or before the test. Bye! See ya!
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