Test Bank for Quantitative Chemical Analysis
Which of the following types of data analysis allows raesearchers to estimate how reliably data can be
used to generalize the findings of a study?
a. Inferential statistics
b. Descriptive statistics
c. Nonparametric statistics
d. Mathematical statistics - answer ANS: A
Feedback
A Inferential statistics are used by researchers to make predictions and generalize findings based on data.
B Descriptive statistics are used to describe and summarize data by reducing data to manageable
proportions.
C Nonparametric statistics are a type of inferential statistics.
D The term mathematical statistics is a circular answer.
Which of the following types of data analysis allows the researcher to describe and summarize the
characteristics of a sample?
a. Inferential statistics
b. Descriptive statistics
c. Nonparametric statistics
d. Mathematical statistics - answer ANS: B
Feedback
A Inferential statistics are used by researchers to make predictions and generalize finding based on data.
, B Descriptive statistics are used to describe and summarize data by reducing data to manageable
proportions.
C Nonparametric statistics are a type of inferential statistics.
D The term mathematical statistics is a circular answer.
What do measures of central tendency describe?
a. How reliably the findings can be generalized
b. The amount of dispersion in the sample
c. The accuracy of predictions made
d. The average member of the sample - answer ANS: D
Feedback
A This answer describes a function of inferential statistics.
B This answer describes measures of variability.
C This answer is incorrect.
D Measures of central tendency yield a single number that describes the middle of the group and
summarizes the members of a sample.
Which of the following terms describes the assignment of numbers to objects or events?
a. Prediction
b. Dispersion
c. Variability
d. Measurement - answer ANS: D
Which of the following types of data analysis allows raesearchers to estimate how reliably data can be
used to generalize the findings of a study?
a. Inferential statistics
b. Descriptive statistics
c. Nonparametric statistics
d. Mathematical statistics - answer ANS: A
Feedback
A Inferential statistics are used by researchers to make predictions and generalize findings based on data.
B Descriptive statistics are used to describe and summarize data by reducing data to manageable
proportions.
C Nonparametric statistics are a type of inferential statistics.
D The term mathematical statistics is a circular answer.
Which of the following types of data analysis allows the researcher to describe and summarize the
characteristics of a sample?
a. Inferential statistics
b. Descriptive statistics
c. Nonparametric statistics
d. Mathematical statistics - answer ANS: B
Feedback
A Inferential statistics are used by researchers to make predictions and generalize finding based on data.
, B Descriptive statistics are used to describe and summarize data by reducing data to manageable
proportions.
C Nonparametric statistics are a type of inferential statistics.
D The term mathematical statistics is a circular answer.
What do measures of central tendency describe?
a. How reliably the findings can be generalized
b. The amount of dispersion in the sample
c. The accuracy of predictions made
d. The average member of the sample - answer ANS: D
Feedback
A This answer describes a function of inferential statistics.
B This answer describes measures of variability.
C This answer is incorrect.
D Measures of central tendency yield a single number that describes the middle of the group and
summarizes the members of a sample.
Which of the following terms describes the assignment of numbers to objects or events?
a. Prediction
b. Dispersion
c. Variability
d. Measurement - answer ANS: D
