Which of these is a reason why researchers examine data by creating tables and figures?
a. to prove a research hypothesis
b. to determine whether the population is skewed
c. to identify the modality of a distribution
d. to decide whether a variable is measured at the interval or ratio scale
c. to identify the modality of a distribution
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List at least 10 ways that families can be changed.
What will be an ideal response?
Why are vowel sounds commonly confused by spellers in the beginning stage?
a. Morphemic knowledge is low. b. Vowels aren't as regular as consonants. c. Teachers don't focus on vowels. d. They are articulated differently.
What is the numerical index that describes the relationships between two variables?
a. regression coefficient b. chi index c. correlation coefficient d. psi index
A person who prefers active experimentation is likely to
a. think carefully about risks before moving ahead with a solution. b. take time to consider many points of view before solving a problem. c. slow down and take a thorough approach to organizing new information. d. jump in and start doing new tasks immediately.