Descriptive and Inferential Statistics
Statistics used to analyze sample data in order to make conclusions about a population are called
__________ statistics. - correct answer ✔✔c. inferential
A nondirectional alternative hypothesis claims that no difference will be found between the research
variables. - correct answer ✔✔F
Which of the following is not commonly studied in psychology? - correct answer ✔✔d. human origins
In a normal distribution, the mean, median, and mode are the same value. - correct answer ✔✔T
The range of a set of data scores is determined by subtracting the lowest score from the highest. -
correct answer ✔✔T
The range and standard deviation of a distribution are __________. - correct answer ✔✔b. measures of
variability
A researcher wanting to determine if amount of hours sleeping was related to one's attitude would
evaluate the research study using __________ analysis. - correct answer ✔✔c. correlation
A histogram is a type of frequency __________. - correct answer ✔✔c. distribution
A specific factor having a range of possible values is a __________. - correct answer ✔✔a. variable
Subtracting the lowest score in a data set from the highest is the appropriate way to calculate the
__________. - correct answer ✔✔a. range
A researcher may use a two-tailed test to evaluate a directional hypothesis. - correct answer ✔✔T
Statistics used to analyze sample data in order to make conclusions about a population are called
__________ statistics. - correct answer ✔✔c. inferential
A nondirectional alternative hypothesis claims that no difference will be found between the research
variables. - correct answer ✔✔F
Which of the following is not commonly studied in psychology? - correct answer ✔✔d. human origins
In a normal distribution, the mean, median, and mode are the same value. - correct answer ✔✔T
The range of a set of data scores is determined by subtracting the lowest score from the highest. -
correct answer ✔✔T
The range and standard deviation of a distribution are __________. - correct answer ✔✔b. measures of
variability
A researcher wanting to determine if amount of hours sleeping was related to one's attitude would
evaluate the research study using __________ analysis. - correct answer ✔✔c. correlation
A histogram is a type of frequency __________. - correct answer ✔✔c. distribution
A specific factor having a range of possible values is a __________. - correct answer ✔✔a. variable
Subtracting the lowest score in a data set from the highest is the appropriate way to calculate the
__________. - correct answer ✔✔a. range
A researcher may use a two-tailed test to evaluate a directional hypothesis. - correct answer ✔✔T
