Does the mean age of the population of Race IAT participants differ from the mean age of the U.S. population which is estimated to be 38.5 years old?

Statistics by Geoffrey

QUESTION 1

For each of the given research questions below, choose the appropriate hypothesis test from the following list, and explain the reasoning behind your choice.

  1. Z-Test for one proportion
  2. Z-Test for one mean
  3. T-Test for one mean
  4. T-Test for a difference of two means
  5. ANOVA Test
  6. Chi-Square Test

RESEARCH QUESTIONS

  1. Is there an association between political affiliation (democrat, republican, or other party) and whether or not a person participates in primary elections?
  2. Does the mean age of the population of Race IAT participants differ from the mean age of the U.S. population which is estimated to be 38.5 years old?
  3. Do male participants in the Weight test of Project Implicit score higher on the IAT test than female participants?
  4. Do the majority of community college students qualify for financial aid?