Stats General
This symbol represents the sum and is generally used when performing a chi-squared test with expected + observed values.
What is sigma?
A Goodness of Fit test has this many variables and this many categories.
What is "1" and "multiple"?
We performed a GOF test in class using these variables.
What are M&Ms?
Out of alignment, in disarray or disorder: crooked, askew
What is cattywampus?
How well did Ms. Shea prepare us for the AP?
a) Well
b) Good
c) Super Duper Well
C) Super Duper Well
If you chose A) or B), -100 points
When we reject the null hypothesis when it is actually true.
What is Type I error?
These are the conditions required for a Goodness Of Fit test.
What are: random sampling, 10% rule, and expected counts > 5?
We performed a chi-squared test for homogeneity on these two variables. (Hint: it was on March 21)
What are gummy bears (Haribo & Meijer)?
The best week of the entire school year at WPHS.
What is HoliShea?
What is a big word that Ms. Shea uses often?
What is conflate?
This measures the difference between observed counts and expected counts in a test.
What is the chi-square statistic?
To find the expected counts of a dataset fit for homogeneity, you can perform this in your calculator.
What is a matrix?
We performed a chi-squared test for independence looking for an association between these two things.
What are Taco Tongue👅👅👅👅👅👅👅👅👅👅👅👅👅👅👅👅👅👅😜😜😜😜😜😜😜😜😛😛😛😛😛😛😛😛😛😛😛😛😛😛😛😛and Evil Eyebrow 🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨🤨?
Unit/units that Ms. Shea enjoys the most.
What is inference?
Fire in arabic?
a) far
b) tar
c) nar
d) zar
What is nar? 🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥
What does it mean when you lower the confidence level.
You are less confident.
This test checks whether two variables are likely to be related or not (Association of two variables).
What is a chi-squared test of independence?
A study was set up to look at whether people were able to meet their target weight loss, after 3 months of following one of two treatment programs. One group of patients were given a free Planet Fitness membership to use consistently for 3 months and the other group was also given a free Planet Fitness membership to use for 3 months AND they had David, Sarim, and Drew as personal trainers.
Should a Chi-square test be considered in this situation?
a)Yes
b)No
c) No, David, Sarim, and Drew are not trainers
d) No, all the participants in the study are already at their desired level.
A.) Yes
The spirit day that Ms. Shea messed up on and wore a tablecloth pattern?
What is Barbecue Dad day?
What spectacular, wonderful, picturesque, amaze-ball, out of this world, unforgettable, memorable, wondrous, flamboyant, grand, magnificent song is being dropped next week?
Stat's Plan™ (Ronak's Version)
What is the probability that Pakistan loses to the US in cricket? (Hint: not zero)
100%
This calculation determines the degrees of freedom for the test.
What is (r−1)×(c−1)?
A study was set up to look at whether there was a difference in the mean parastratiosphecomyia (fishies) distribution between two ponds, after 6 weeks of following one of two treatment programs. One pond was given Brightwell Aquatics FlorinVita - Multivitamin Supplement for Fish and Snail™ to follow for the 6 weeks and the other group was given the same Supplement with the addition of bioflavonoids.
Should a Chi-square test be used in this situation?
a)Yes
b)No
b) No
Guess the statistically significant number we're thinking of. (Hint: derive an expression to find it) (Hint: only put 50% percent into this)
What is 0.005?
If we selected someone from this class at random, what is the probability that their full name contains at least one "k"?
a) 0.01
b) 0.48
c) 0.52
d) 0.98
b) 0.48