What is the most reliable measure of central tendency?
A common goal of statistics is to..
Generalize results from a sample to a second sample.
Generalize results from a sample to a population
Generalize results from a population to a sample
Generalize results from a population to a second population
What is the median value of the following group of numbers?
What is the mean value of the following group of numbers? (Please round to one decimal place after the number.)
What is the mode of the following group of numbers?
Using the General Social Survey, a researcher finds that of all the religious groups in the United States, Catholics are the single largest group, but combined Protestant denominations outnumber Catholics. This is an example of what kind of research?
n which direction would data representing the scores of very talented high jumpers skew?
Not skewed at all.
Which of the following charateristics are not associated with the definition of statistics?
a set of mathematical tools and techniques
describing and organizing data
What type of variable is gender?
Temperature, when recorded on a Kelvin scale, is what type of variable?
True or False: A scale of poor-fair-good- excellent in a survey results in a nominal variable.
Whether or not this test fairly assesses the reading and lecture content is an example of which kind of validity?
he type of reliability that examines the percentage of agreement between multiple judges of a gymnastics event is:
Test- Retest reliability
Parallel items reliability
Internal consistency reliability
How can a test be reliable but not valid? Why is a test not valid unless it is reliable? What can you do to ensure that the test is both reliable and valid?
Describe how you would conduct an experimental design study for your class project. Identify the sample. Describe at least one indepedent, dependent, and control variable.
_____________ refers to the ability of a study to inform us about persons, places, or events that were not directly studied.
Why do young people in poor neighborhoods join gangs?” This is an example of what kind of research question?
Pearson’s product-moment correlation coefficient is represented by the following letter:
If the correlation between two variables was equal to 0, the scatterplot between these two variables would be represented as:
A horizontal line
A line sloping upwards
A line sloping downward
A vertical line
This is used to summarize the correlations between a set of variables…
The better your time management skills are, the more work you are able to do is an example of what type of correlation?
Using the provided dataset, please compute measures of central tendency including the mean, median, mode, and range for shoe size and ear size. Please attach your SPSS output here, highlighting each of these components in your output.
Using the same provided dataset, compute the correlation coefficient for ear size and shoe size. Please attach your SPSS output here.
For the correlation coefficient for shoe size and ear size, please indicate the strength (strong, moderate, weak, etc.) and direction (positive, negative, no relationship) or the relationship between ear and shoe size.
Please describe 1 change you would like to see in this class before the end of the term to make it worthwhile. (Examples from the evaluation include more group activities, more SPSS, more data interpretation, etc.)