A local police department keeps track of the number of distress calls made in the summer months and in the winter months. The number of calls made in the first, second, and third months of summer (June, July, August) are 312, 349, and 514 respectively. In comparison the number of calls made in the first three months of winter (Nov., Dec., Jan.) are 292, 288, 341. The police department is interested in knowing whether the number of distress calls for each of the three months depends on the time of year: summer or winter. What frequency test would you choose to answer the question?
What will be an ideal response?
Correct Answer:
Chi-square test for independence
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Refer to Exhibit 7-11. The number of degrees of freedom for interaction is
a. 1. c. 5. b. 2. d. 24.
The Massachusetts Act of 1647, also known as The Old Deluder Satan Act, required:
a. that all education be based on the Bible. b. that every town of 50 or more households to establish a school and hire a teacher. c. that parents teach their male and female children to read. d. all communities to levy and collect a school tax.
The U.S. Surgeon General and major national organizations have issued reports emphasizing
a. Role of families in young children's emotional and social development b. Prevention of child abuse and neglect c. Early detection of emotional and behavioral problems in preschool years d. All of the above
Which is true of private school students?
a. A higher percentage graduate and enroll in college. b. Students drop out due to high rigor classes. c. Class sizes are larger than in public schools. d. Students have less technology than in public schools.