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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
the square root of negative 1
B
i squared
C
its complex conjugate
D
an irrational root
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
exponential
B
explicit
C
extraneous
D
even
4) A monomial or sum or difference of monomials is ...
A
a polynomial
B
a polyhedral
C
a combination
D
a permutation
5) A natural logarithm is...
A
a logarithm with base 10
B
a logarithm with base e
C
none of these answers is correct
D
a common logarithm
6) A(n)... imposes a treatment on individuals to collect data on their response to the treatment.
A
observational study
B
experiment
C
factor
D
random sample
7) When every member of a population has an equal chance of being selected for a sample, the sample is...
A
systematic
B
random
C
convenient
D
biased
8) The null hypothesis is ...
A
an observational study
B
states there is no difference in the two groups being tested
C
always true
D
all of these answers
9) A logarithm whose base is 10 written as just log...
A
asymptote
B
extraneous solution
C
natural logarithm
D
common logarithm
10) When given 2 dependent events, A and B; P(A|B)...
A
experimental probability
B
conditional probability
C
theoretical probability
D
standard deviation
*select an answer for all questions
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