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NCLEX exam with corrrect answers 2024
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Which of the following distributions of normally distributed scores is most heterogeneous? Mean = 100, SD = 5 Mean = 100, range = 12 Mean = 100, SD = 10 Mean = 100, mode = 100 correct answers Mean = 100, SD = 10 Which of the following statements is true? A nonsignificant result means that ...

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  • November 5, 2024
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NCLEX Chapter 13

Which of the following distributions of normally distributed
heterogeneou
scores is most
s?
Mean = 100, SD
= 5 = 100, range
Mean
= 12 = 100, SD =
Mean
Mean = 100, mode = 100 correct answers Mean = 100,
10
SD = 10

A nonsignificant
Which result statements
of the following means that isthe null
true?
hypothesis
Lowering is risk
the true.of a Type I error also lowers the risk of a Type
II
Theerror.
minimal accepted level of significance for most
research
The is making
risk of .05. a Type I error is greater with a .01 level of significance
thanlevel.
.05 with acorrect answers The minimal accepted level of significance for
most
is .05.research

A researcher used ANCOVA to compare the mean depression scores of
women
men andin two different racial groups (African American and white),
holding
their constant
age. Which variable is the
covariate?
Depression
scores
Sex
Ag
e
Race correct answers Age

Which of the following is an effect size
index? d
χ2
t
F
c
or
re
Rang
ctedia
e
M
a
M
n ea
n
Mode correct answers Median
s
w
Which characteristic would be measured at the
er
Number
nominal of
level?
s
pregnancies
Blood
d
type
Score on a depression
scale
Age correct answers Blood
W
type
hi
c
h
in
d
e
x
of

, Which of the following indexes involves a comparison of
two risks?
The
SD
Absolute risk
reduction
Absolute
risk
Pearson's r correct answers Absolute risk
reduction
What is the purpose of multiple
regression?
To predict a nominal-level dependent variable on the basis of two or
more predictor
variable
s
To predict a continuous dependent variable on the basis of two or more
independent
variable
s
To predict values of one variable based on values of a second
variable
To predict values of covariates correct answers To predict a continuous
dependent
variable on the basis of two or more independent
variables
The preferred statistical index for estimating the test-retest reliability of a
continuous
measure
is:
the intraclass correlation coefficient
(ICC).
Cohen's
kappa.
coefficient
alpha.
Pearson's r. correct answers the intraclass correlation
coefficient (ICC).
In sampling distributions of the mean, the standard error of the mean
gets smallerof the population mean get more
(estimates
accurate)
the as:the mean gets
value of
smaller.
the sample size gets
smaller.
the number of samples used to construct the sampling distribution
getssample
the larger. size gets larger. correct answers the sample size
gets larger.
A researcher wants to test differences in average heart rates in a group of
premature
infants at 2, 4, 6, and 10 hours after birth. Which of the following statistical
testsresearcher
the should
use?
Chi-squared
test
Paired t-
test
ANOVA
Repeated measures ANOVA correct answers Repeated measures
ANOVA
What do correlation coefficients
describe?
Variability of a
distribution
Direction and strength of relationships between two
variables
Central tendency of a
distribution
Crosstabulations correct answers Direction and strength of relationships
between two
variable
s
Which of the following tests is not used to test differences between groups
of people?

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