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# Real-life problem using independent sample t-test

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This assignment involves displaying an understanding of an independent t-test. Based on my hypothetical research question:
What do early childhood educators report about their experiences with fathers' involvement in their programs?
How would you do an independent t-test in this study?
Your sample will help me to gain knowledge and insure that I have an understanding of the process.

##### Solution Summary

This solution consists of details of how to conduct an independent sample t-test to answer a real-life research problem.

##### Solution Preview

Based on my hypothetical research question "What do early childhood educators report about their experiences with father involvement in their programs?", you might conduct the following null and alternative hypotheses:

Null hypothesis H0: Early ...

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###### Education
• BSc , Wuhan Univ. China
• MA, Shandong Univ.
###### Recent Feedback
• "Your solution, looks excellent. I recognize things from previous chapters. I have seen the standard deviation formula you used to get 5.154. I do understand the Central Limit Theorem needs the sample size (n) to be greater than 30, we have 100. I do understand the sample mean(s) of the population will follow a normal distribution, and that CLT states the sample mean of population is the population (mean), we have 143.74. But when and WHY do we use the standard deviation formula where you got 5.154. WHEN & Why use standard deviation of the sample mean. I don't understand, why don't we simply use the "100" I understand that standard deviation is the square root of variance. I do understand that the variance is the square of the differences of each sample data value minus the mean. But somehow, why not use 100, why use standard deviation of sample mean? Please help explain."
• "excellent work"
• "Thank you so much for all of your help!!! I will be posting another assignment. Please let me know (once posted), if the credits I'm offering is enough or you ! Thanks again!"
• "Thank you"
• "Thank you very much for your valuable time and assistance!"

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