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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 census
B
a convenience sample
C
an easy and accurate way to survey the population
D
a standard deviation
3) A solution of a derived equation that is not a solution of the original equation is...
A
explicit
B
extraneous
C
even
D
exponential
4) A monomial or sum or difference of monomials is ...
A
a combination
B
a permutation
C
a polyhedral
D
a polynomial
5) A natural logarithm is...
A
a logarithm with base e
B
none of these answers is correct
C
a common logarithm
D
a logarithm with base 10
6) A(n)... imposes a treatment on individuals to collect data on their response to the treatment.
A
random sample
B
factor
C
experiment
D
observational study
7) When every member of a population has an equal chance of being selected for a sample, the sample is...
A
convenient
B
biased
C
systematic
D
random
8) The null hypothesis is ...
A
all of these answers
B
always true
C
an observational study
D
states there is no difference in the two groups being tested
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
conditional probability
B
standard deviation
C
experimental probability
D
theoretical probability
*select an answer for all questions
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