The normal curve is _____.
a. unimodal
b. bi-modal
c. symmetrical
d. both a and c
d. both a and c
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Which of the following describes Texas in the early decades of the 20th century?
a. There was a growing drive toward industrialization. b. There was an increase in the number of slaves working on cattle ranches. c. There was an accelerated movement of people from urban to rural areas. d. There were constant disagreements between the Anglos and the Tejanos. e. There was a boom in the service sector in Texas.
The Civil War led to the expansion of national governmental power in all of the following ways EXCEPT
A. thousands of new government workers were hired. B. the federal government passed its first billion dollar budget. C. an income tax was imposed on citizens for the first time. D. Constitutional amendments were passed restricting states' control over citizen rights. E. governors of Confederate states were directly appointed by the U.S. President.
Which of the following is true?
A) We can always generalize safely from a sample to a general population. B) We can always generalize safely from sample to a target population. C) We can never generalize safely to a general population. D) We can only generalize safely to the population from which we have taken the sample.
How many votes does it take in the House of Representatives to pass legislation?
a. 200. b. 215. c. 218. d. 235. e. 285