InQuizitive Ch. 2 Questions and Answers
100% Pass
What term is used to describe a statement or claim about a population that can be tested with
data?
✔✔Hypothesis
Theory
Law
Prediction
What is the term for the set of all possible outcomes or values in a statistical experiment?
✔✔Population
Sample
Observation
Variable
What do we call the numerical summary of a sample of data, such as the mean or median?
✔✔Statistic
Parameter
1
,Hypothesis
Variance
Which of the following is used to summarize and display data in an organized way?
✔✔Descriptive statistics
Inferential statistics
Probability
Sampling
What is the term for the likelihood or chance of an event occurring?
✔✔Probability
Outcome
Variance
Data
What do we call the difference between the observed value and the expected value in a
hypothesis test?
✔✔Test statistic
2
, P-value
Confidence interval
Significance level
Which of the following is the first step in the scientific method for statistical analysis?
✔✔Formulating a hypothesis
Collecting data
Analyzing results
Drawing conclusions
What is the term for the error made when a hypothesis test incorrectly accepts the null
hypothesis?
✔✔Type II error
Type I error
P-value
Test statistic
What type of data is categorized into distinct categories that have no inherent order?
3
100% Pass
What term is used to describe a statement or claim about a population that can be tested with
data?
✔✔Hypothesis
Theory
Law
Prediction
What is the term for the set of all possible outcomes or values in a statistical experiment?
✔✔Population
Sample
Observation
Variable
What do we call the numerical summary of a sample of data, such as the mean or median?
✔✔Statistic
Parameter
1
,Hypothesis
Variance
Which of the following is used to summarize and display data in an organized way?
✔✔Descriptive statistics
Inferential statistics
Probability
Sampling
What is the term for the likelihood or chance of an event occurring?
✔✔Probability
Outcome
Variance
Data
What do we call the difference between the observed value and the expected value in a
hypothesis test?
✔✔Test statistic
2
, P-value
Confidence interval
Significance level
Which of the following is the first step in the scientific method for statistical analysis?
✔✔Formulating a hypothesis
Collecting data
Analyzing results
Drawing conclusions
What is the term for the error made when a hypothesis test incorrectly accepts the null
hypothesis?
✔✔Type II error
Type I error
P-value
Test statistic
What type of data is categorized into distinct categories that have no inherent order?
3
