psyc3400
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CrumpLab
Website for Psyc 3400 Statistics @ Brooklyn College (Taught by Matt Crump)
I have no idea what im doing wrong ive downloaded the data and still cant get it work. please help!!! 
I keep receiving the error message below when I try to input the following t-tests: comparison_df % filter(Condition %in% c('Control','Reactivation_only')==TRUE) t.test(Days_One_to_Seven_Number_of_Intrusions ~ Condition, comparison_df, var.equal=TRUE) ---------------------------------- comparison_df % filter(Condition %in%...
Does anybody know this? 18. Why is it important to check your descriptive statistics against a visual graph of the data? (a) The graph shows you whether the descriptive statistics...
The table shows scores for and x,y pair of scores, and an a,b pair of scores. Which of the following is correct about the correlation between x and y, and...
Im not sure why I keep getting this wrong, I entered the answer in positive form (which is what the formula gave me), and I received no credit for the...
Im not able to access the quiz for this week. 
Is anyone else having problems with not being able to see the quiz #1 we took on blackboard? I can see the attempts I took for every other quiz except...
I am experiencing issues with quiz 3 on the topic of correlation. Even though i submited the correct answer for question 7, it marked it as incorrect. My answer was...
I am not sure how to install the data folder. I tried following the video but it isn't showing up on R studio cloud. 