Statistics for Data Science and Business Analysis - Test for the Mean; Independent Samples (Part 2)
Interactive Video
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Information Technology (IT), Architecture, Mathematics
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University
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Practice Problem
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Hard
Wayground Content
FREE Resource
The video tutorial covers hypothesis testing with independent samples and unknown but equal variances. It revisits a dataset comparing apple prices in New York and LA, setting up null and alternative hypotheses. The tutorial explains using pooled variance and calculating the standard error, followed by determining the T-statistic and degrees of freedom. It interprets the results, highlighting the significance of the P-value, and concludes with a discussion on the implications of the findings and further questions for exploration.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Discuss the implications of a P value lower than 0.01 in this context.
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Based on the mean values provided, what conclusion can be drawn about apple prices in New York compared to LA?
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OFF
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