A Researcher Conducted a Survey to Determine If Older People

Multiple Choice

A researcher conducted a survey to determine if older people have different feelings about abortion than younger people. He used an alpha level of 0.05 (Z critical =±1.96) to test for significance and found that his computed test statistic was 2.76. He may conclude that________.

A) the difference occurred by random chance.
B) the difference did not occur by random chance.
C) the samples are not independent.
D) the alpha level was too low.