Mathematics, 12.02.2020 01:58 chaycebell74021
G Calculate the sample mean of x without the use of mean(), sd(), sum(), or . Hint: Recall that vectors in R are column vectors. (Although when you display them, they often look like row vectors.) You may need to create a second vector, which is allowed, and should also look into the function crossprod(). Essentially, you need to use matrix algebra to recreate the formulas above. You may use mean() to check your answer.
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The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?
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If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅
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G Calculate the sample mean of x without the use of mean(), sd(), sum(), or . Hint: Recall that vect...
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