BackA study showed the same level of T cell production in senior citizens who are amateur cyclists as in young adults, but a significantly lower level of T cell production in senior citizens who do not exercise regularly. Is it appropriate to infer that exercise stimulates T cell production? Explain. (Source: University of Birmingham)
Name each level of measurement for which data can be qualitative.
Name each level of measurement for which data can be quantitative.
Determine whether the statement is true or false. If it is false, rewrite it as a true statement.
More types of calculations can be performed with data at the nominal level than with data at the interval level.
Determine whether the data are qualitative or quantitative. Explain your reasoning.
Nationalities of passengers on a plane
Determine whether the data are qualitative or quantitative. Explain your reasoning.
Ages of dogs at a rescue facility
Determine whether the data are qualitative or quantitative. Explain your reasoning.
Response times for a customer service representative
Determine the level of measurement of the data set. Explain your reasoning.
The lengths (in centimeters) of 22 Ford automobiles are listed. (Source: Automobiledimension.com)
404 407 410 416 421 438 440 443 461 467 471 478 480 483 483 485 487 487 497 505 534 536
Determine the level of measurement of the data listed on the horizontal and vertical axes in the figure.
Determine the level of measurement of the data listed on the horizontal and vertical axes in the figure.
Determine the level of measurement of the data listed on the horizontal and vertical axes in the figure.
The items below appear on a physician’s intake form. Determine the level of measurement of the data for each category.
a. Temperature
b. Allergies
c. Weight
d. Pain level (scale of 0 to 10)
Determine whether the data are qualitative or quantitative, and determine the level of measurement of the data set.
Census Regions The four geographical regions of the United States recognized by the U.S. Census Bureau are listed.
Northeast, South, Midwest, West
Determine whether the data are qualitative or quantitative, and determine the level of measurement of the data set.
The top six final scores at the 2021 U.S. Women’s Figure Skating Championships are listed. (Source: NBC Sports)
232.61 215.33 214.98 213.39 199.95 178.89
Identify the sampling technique used, and discuss potential sources of bias (if any). Explain.
A student asks 18 friends to participate in a psychology experiment.