A reporter wishes to find evidence of the value of her technology column, so she commissions a survey to test the hypothesis that regular readers of the column know more about politics than people who don't read the column. The results of the study appear to support this conclusion. Unfortunately, the truth is that the two groups do not differ in their political knowledge. Which of the following
types of error is this?
a. Random error
b. Stratification error
c. Type I error
d. Type II error
c
Communication & Mass Media
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When you present summaries of data, a line graph is one way to quickly and memorably reinforce the words and numbers you cite
Indicate whether the statement is true or false
Communication & Mass Media
Which of the following is NOT a goal of public speaking?
A. to inform B. to socialize C. to entertain D. to give honor
Communication & Mass Media