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# Twelfth Grade (Grade 12) Statistics and Probability Concepts Questions

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Grade 12 Represent and Determine Probability CCSS: HSS-MD.B.5a
Grade 12 Combinations and Permutations
If 4! is equal to 4*3*2*1 then 9! is equal to
1. 9*8*7*6*5*4
2. 9*1
3. 9*8*7*6*5*4*3*2*1
4. none of the above
Grade 12 Represent and Determine Probability CCSS: HSS-MD.B.5a
Grade 12 Represent and Determine Probability CCSS: HSS-MD.B.5a
Grade 12 Statistics and Probability Concepts
If a scatterplot has a correlation coefficient of r = -0.62, it can be described as
1. weak positive
2. weak negative
3. strong positive
4. moderate negative
5. moderate positive
Grade 12 Statistics and Probability Concepts
The correlation coefficient is
1. a number between -1 and 1, inclusive, that is used to judge whether the relationship between the variables is causal or not.
2. a number between 0 and 1 that represents the ratio of change between variables.
3. a number between -1 and 1, inclusive, that is used to judge how closely a line fits the data.
4. a number between -1 and 1 that represents the functions of supply and demand.
Grade 12 Statistics and Probability Concepts
A causal relationship is
1. when both variables increase positively.
2. when one variable causes a change in another variable.
3. when two variables have an association between them.
4. a shift between the two variables that changes the linear direction.
Grade 12 Statistics and Probability Concepts
Positive correlation is a relationship where
1. the value of one variable increases as the value of the other variable increases
2. the value of one variable decreases as the value of the other variable decreases
3. both variables increase to 1
4. both variables are increasing at the same rate
Grade 12 Statistics and Probability Concepts
Grade 12 Combinations and Permutations CCSS: HSA-APR.C.5
If a coin is flipped 5 times how many ways can you get 4 tails?
1. $20$
2. $1$
3. $2880$
4. $5$
Grade 12 Combinations and Permutations CCSS: HSA-APR.C.5
If a coin is flipped 18 times how many ways can you get 2 tails?
1. $1.28*10^16$
2. $153$
3. $3.2*10^15$
4. $306$
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