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BST 322/BST Final Exam 2023 with complete solution
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BST 322/BST Final Exam 2023 with complete solution;Actual test 100% Verified
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· Question 1out of 1 points 0
To determine the proportion of variability in one variable that can be accounted for or
explained by the variability of a second variable, you would calculate a correlation
coefficient, then take its square root.
Selected Answer: True
Answers:True
False
· Question 2
out of 1 points 1
When the researcher incorrectly rejects the null hypothesis, it is known as:
Selected Answer:
Type I error
Answers:Hypothesis error
Statistical significance
Type I error
Type II error
· Question 3
out of 1 points 1
Data which uses numbers to provide categories or labels as well as the
ordering of the categories are:
Selected Answer:
Ordinal
Answers:Nominal
Ordinal
Ratio
Interval
· Question 4
out of 1 points 1
, Multivariate statistics refers to the statistical analysis of the relationship between two
variables.
Selected Answer: False
Answers:True
False
· Question 5
out of 1 points 1
This is the measurement of dispersion equal to the square root of the
mathematical variance.
Selected Answer:
Standard deviation
Answers:Mean
Median
Standard deviation
Range
· Question 6
out of 1 points 1
Data which uses number values, has an equal distance between values, and
has a possible absolute zero is:
Selected Answer:
Ratio
Answers:Interval
Nominal
Ordinal
Ratio
· Question 7
out of 1 points 1
Generally, an ANOVA test is used when the means of 3 or more groups are compared.
, Selected Answer: True
Answers: True
False
· Question 8
out of 1 points 1
If a researcher accepts a null hypothesis when that hypothesis is actually
true, she has committed:
Selected Answer:
no error
Answers:a type I error
a type II error
no error
a causation
· Question 9
out of 1 points 1
A formal statement that there is a relationship between variables when tested by a
researcher is called:
Selected Answer:
Alternative hypothesis
Answers:Null hypothesis
Type I error
Type II error
Alternative hypothesis
· Question 10
out of 1 points 1
You are studying the effect of hypnosis on weight loss. You will measure
each patient's weight pre- and post-intervention. The most appropriate test
is:
Selected Answer:
Dependent groups t-test
Answers:One sample t-test
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