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WorksheetsInferential Statistics
Total questions: 25
Worksheet time: 15mins
Data which can be ranked from smallest to largest
Nominal
Ordinal
Interval
Ratio
Data which can be categorised by name
Nominal
Ordinal
Interval
Ratio
Data which can be measured on a fixed scale with no absolute zero
Nominal
Ordinal
Interval
Ratio
Data which can be measured on a fixed scale and does have an absolute zero
Nominal
Ordinal
Interval
Ratio
A measure of central tendency
Range
Mode
Standard deviation
Mean
The middle number, once data is made ordinal
Mean
Mode
Median
Range
Between a Population and Sample: which size is bigger ?
Population
Sample
Both can be the same
Not enough information
These are the two types of statistics:
Discrete and Continuous
Population and Sample
Descriptive and Inferential
Mean and Standard deviation
Which of the following best describes a Type I error?
The null is true, but we mistakenly reject it.
The null is false and we reject it.
The null is false, but we fail to reject it.
The null is true but we fail to reject it.
The null is true, and we fail to reject it.
The null hypothesis is represented by:
Ha
Ho
t*
HP
μ
The null hypothesis always contains a(an):
< or >
=
>
= or >
≠
Which of the following best describes a type II error?
The null is true, but we mistakenly reject it.
The null is false and we reject it.
The null is false, but we fail to reject it.
The null is true but we fail to reject it.
Te null is false, and we reject it.
When looking at statistical significance, social workers and socail scientists have settled on ________ to be the most common cutoff point to separate findings.
5
.05
.5
Josh did not describe whether his hypotheses will be positive or negative. This means his hypotheses is....
wrong
a nondirectional hypotheses
non research related
Barb has a directional hypothesis. How can she test for statistical significance?
two-tailed test
Barb needs a new plan.
one-tailed test
Skylar has a null hypothesis that is true, but she rejects it. This is which error type?
Type I Error
Type II Error
What is another name for a type I error?
false negative
false positive
true negative
true positive
Which of the following are necessary to compute for statistical power?
effect size
sample size
p value
alpha
Which of the following is tested for significance?
Null hypothesis
Alternative hypothesis
Alpha level
Statistical power
In which of the following cases should the null be rejected?
The test statistic is higher than the critical value
The P value is lower than .05
The test statistic is lower than the critical value.
The P value is higher than the alpha.
What is the most conservative measure of effect size?
Cohen's d
Glass' delta
eta squared
partial eta squared
omega squared
Which of the following is NOT a measure used in inferential statistics?
z score
t test
z test
Student's test
