A teacher rated the reading ability level of six fourth-grade children participating in a special math program. The ratings were as follows: 3, 3, 2, 8, 4, 4
Figure the mean, variance, and standard deviation for this group of scores.
Explain what you have done and what the results mean to a person who has never had a
course in statistics.
What will be an ideal response?
Mean = 24/6 = 4
Mode = bimodal(3 and 4)
Variance = 1 + 1 + 4 + 16 + 0 + 0 = 22/6 = 3.67
Standard Deviation = square root of 3.67 = 1.92
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During the Depression of the 1930s, many Mexican Americans who were U.S. citizens were expelled from the U.S. under the auspices of social welfare agencies
Indicate whether this statement is true or false.
In which of the following racial/ethnic groups is housework significantly shared by household members other than the wife/mother, even if not by her husband?
a. Vietnamese/Laotian b. Hispanic c. white d. African American
The region of the United States that has the most poverty is the
a. South. b. North. c. West. d. East.
The phrase “people tend to like what other people like” summarizes the concept of ______.
A. social influence B. social control C. justified status D. achieved status