Because population parameters are typically unknown, we use the ______ to estimate the value of the standard error.
A. sample standard deviation
B. population standard deviation
C. sample proportion
D. population proportion
Answer: A
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Singer, United Fruit, and Firestone are all American-based examples of __________
a. shareholder diversification b. citizen-controlled corporations c. cooperatives d. government-owned businesses e. multinational or transnational corporations
When conducting a t test for independent means:
A) you assume the medians of the two populations are equal B) you reject the null hypothesis if the t score is more extreme than the cutoff t score C) you should use only the .01 significance level because of the greater power compared to a t test for dependent means D) all of the above
Which of the following is not true about change in the United States between the late 1980s and late 2000s?
a) The age-adjusted percentage of adult men who were not hypertensive declined. b) The age-adjusted percentage of adult men with controlled hypertension increased. c) The age-adjusted percentage of adult men with uncontrolled hypertension decreased. d) The age-adjusted percentage of adult men with uncontrolled hypertension increased.
If you wanted to conduct a content analysis of the attitudes of lyricists toward women, as portrayed in contemporary music, which of the following would not be a good source of information?
a. rock music b. country and western music c. rap music d. instrumental jazz e. Christian music