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Q&A HubTag: #basics ×
1 year ago
This is a curious question. I know that we want our sample to be both random and representative.   ...
1 year ago
Say, in this example, in NYC, there are 2 places with $3 and 2 places with $6. What would be the ...
Can a sample be random but not representative? Or can a sample be representative but not random. ...
Hi Teacher, At the time I was done with this chapter, R squared was pretty clear to me, however, ...
1 year ago
95% confidence level is lesser accurate estimate compared to 99% confidence level. However, in day ...
1 year ago
Can't we find the variance using the Standard error formula ? We can get the value of sigma and ...
1 year ago
The F-distro looks right skewed. Am I reading that right? Also, if it is right skewed, could you ...
1 year ago
Hi,   Excellent course, love it so far! I was wondering about something that I still get ...
1 year ago
Hello,   Lecture 58 (see at 6:20).   When choosing the confidence interval of 99%, hence ...
1 year ago
Can you explain the interpretation of the skewness in the real life?    ...
1 year ago
Can you please explain "correlation does not imply ...
1 year ago
Hi,   I understand how to standardize a normal distribution, but I'm wondering why we would ...