A visual display that preserves the original numbers while still providing a visual summary of the data is the
a. frequency polygon.
b. stem-and-leaf chart.
c. histogram.
d. frequency distribution.
b
You might also like to view...
It is the prevailing and undisputed opinion that intelligence tests are culturally biased
a. True b. False
Suppose that, at your 60th high school reunion, you gather together the senior portraits and relate your classmates' facial expressions to their mortality rates. Based on the study of baseball players, what would you expect to find?
a. Facial expressions in the portraits were unrelated to mortality rates. b. Students with big smiles and those with half smiles lived longer than those who did not smile at all, but those with big and half smiles had similar lifespans. c. Students who frowned had very short lifespans while those who smiled even a little had average life spans. d. Students with big smiles had the longest lifespans, followed by those with partial smiles, and then by those with no smiles.
What allows for variation within the human species?
a. alleles b. genes c. number of chromosomes d. structure of DNA
What statement is an accurate description of the female condom?
a. It is composed of two rings joined by a sheath. b. It is made of rubber or latex c. It can be used more than once. d. It must be fitted by a physician.