A table or listing that shows values and how many times each value occurs is: - ANSWERFrequency distribution
What is the simplest, most fundamental level of measurement? - ANSWERNominal
Students are given grades of A, B, C, D, or F on their homework assignments. The use of letter grades would...
Stats Exam 1 Pierson Question &
Answers
A table or listing that shows values and how many times each value occurs is: -
ANSWERFrequency distribution
What is the simplest, most fundamental level of measurement? - ANSWERNominal
Students are given grades of A, B, C, D, or F on their homework assignments. The use
of letter grades would be an example of what level of measurement? - ANSWEROrdinal
The scale of measurement that assumes there is an underlying scale of equal units, but
without an absolute zero point, is the ______ scale of measurement. - ANSWERinterval
What reflects the interval or interval/ration level of measurement? - ANSWERA students
GPA
Determining a person's level of education by asking him/her to indicate the number of
school years completed would involve measurement on a _________ level of
measurement. - ANSWERratio and/or interval
A sample is? - ANSWERa portion of a population
Researchers generally want to be able to generalize their results to a _______, but to
do so, they typically carry out their research on the basis of a _______. -
ANSWERPopulation, sample
The marketing director of a company wants to conduct research on the buying habits of
the company's customer base. The entire group of customers would be an example of a
________. - ANSWERPopulation
The marketing director of a company examines data collected from 125 customers and
determines that customers spent an average of $274.55 in purchases from the
company over the past 12 months. The collection or group of 125 customers would
represent a: - ANSWERsample
The average IQ score for the entire population of students enrolled at a local community
college would be an example of a __________. - ANSWERparameter
A researcher wants to know how many emails senior citizens send to friends each
week. If it were possible to find the average for the entire population of senior citizens, it
would be an example of a _______. - ANSWERparameter
, A researcher records the GPA at the end of the semester for each student in a sample
of 50 freshman students. The average of the 50 GPA scores would be a: -
ANSWERstatistic
The term used to describe all possible cases is: - ANSWERpopulation
Statistics that are used to summarize data are referred to as: - ANSWERdescriptive
statistics
A parameter is: - ANSWERa characteristic of a population
Descriptive statistics are used to: - ANSWERsummarize or describe data
Inferential statistics are used to: - ANSWERmake statements about a population based
on information from a sample
A statistic is to a sample as: - ANSWERa parameter is to a population
The measure of central tendency that is sensitive to extreme scores is the: -
ANSWERmean
Mean of the population - ANSWER
A measure that summarizes a distribution in terms of its centrality or typically is: -
ANSWERa measure of central tendency
The score that is located in the middle of a distribution or the score that cuts a
distribution in half is the: - ANSWERmedian
Mean of a sample - ANSWER
Which of the following is NOT a measure of central tendency? - ANSWERThe average
deviation
Which of the following is NOT a measure of dispersion? - ANSWERThe median
Which of the following correctly states the relationship between the standard deviation
and the variance? - ANSWERThe variance is equal to the standard deviation, squared
What is the position of the median in the following distribution?
{ 1, 4, 7, 12, 14, 1, 13, 9, 10 } - ANSWER5.5th score
What is the value of the median in the following distribution?
{ 1, 4, 5, 7, 12, 14, 1, 13, 9, 10 } - ANSWER8
The sum of the deviations from or about the mean will always equal - ANSWER0
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