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Duplicate of Ap Stats Flashcards | StudBud
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Duplicate of Ap Stats
Duplicate of Ap Stats
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Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
A group is split up by gender then randomly assigned to two groups per gender...
Split up people then split them up again sampling
Stratified RS
SRS
Group Sampling
2
What does "r" most likely equal?
7
-.7
.07
.7
3
Standard deviation equals...
√<span style="font-size: 13.3333px;">P(1-P/n</span>
√b(1-P/n
√P(1-P/u
P(1-P/n
4
The best type of sample that allows a quick sample group but possible bias
SRS
Convenience
Convenient
Convention
5
In this set of data pick out an individual?
Datia
Average Literacy
Chitrakoot
Female Population
6
After an election people are asked if they voted. Some who didn't say they did. This is...
voluntary response bias
not cool
nonresponse
response bias
7
Two events (A & B) are independent if...
P(B|A)= P(B) & P(B|A)= P(B)
P(A|B)=P(B|A)
P(A|B)= P(A) & P(B|A)= P(B)
P(A)=P(B)
8
As you flip a coin over and over the probability of heads or tails gets closer to...
.5
-.5
.6
1
9
Sigma means...
Subtraction of
Sigma of
Add yo
The summation of
10
You use the chart for z-scores to see...
Amount in distribution represented at that z-score
Amount in distributor represented
Banana
Probability
11
The middle number between the smallest number and the median of the data set is...
Quartile 3
Quartile 2
Quartile 11
Quartile 1
12
Is "Do u like James Cameron movies?" biased?
Nah
No
Sure
Yup yup yup
13
Statistics is...
Study of organization of data
study of the collection, analysis, & interpretation
Study of presentation
Study of numbers
14
The rule to determine percentage of data in a normal distribution is the....
68-95-99.1 rule
68-95-99.7 rule
69-96-99.8 rule
65-98-99.7 rule
15
What is the area under a density curve?
-1
666
1
.1
