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Vocab Review #4
Test Description: More review for final exam.
Instructions: Answer all questions to get your test result.
1) In order to eliminate the imaginary number i in the denominator of a rational expressions, multiply both the numerator and denominator by...
A
an irrational root
B
the square root of negative 1
C
i squared
D
its complex conjugate
2) A survey about an entire population is ...
A
a standard deviation
B
a census
C
an easy and accurate way to survey the population
D
a convenience sample
3) A solution of a derived equation that is not a solution of the original equation is...
A
extraneous
B
exponential
C
explicit
D
even
4) A monomial or sum or difference of monomials is ...
A
a combination
B
a polynomial
C
a polyhedral
D
a permutation
5) A natural logarithm is...
A
none of these answers is correct
B
a logarithm with base 10
C
a logarithm with base e
D
a common logarithm
6) A(n)... imposes a treatment on individuals to collect data on their response to the treatment.
A
random sample
B
experiment
C
observational study
D
factor
7) When every member of a population has an equal chance of being selected for a sample, the sample is...
A
random
B
convenient
C
biased
D
systematic
8) The null hypothesis is ...
A
states there is no difference in the two groups being tested
B
all of these answers
C
an observational study
D
always true
9) A logarithm whose base is 10 written as just log...
A
natural logarithm
B
asymptote
C
extraneous solution
D
common logarithm
10) When given 2 dependent events, A and B; P(A|B)...
A
theoretical probability
B
experimental probability
C
standard deviation
D
conditional probability
*select an answer for all questions
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