The most appropriate curriculum for a student with moderate intellectual disabilities should be generated by
a. basal textbooks.
b. curriculum guides.
c. state graduation requirements.
d. the student’s environment.
d
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Discuss the limitations of teaching students to memorize phonics rules
What will be an ideal response?
Identify the critical value from a chi-square distribution table based on the df calculated above and a significance level of .05.
A. 3.84 B. 5.99 C. 7.81 D. 9.49
What is your 95% confidence interval?
The owner of a chain of five retail stores wishes to compare the number of shoplifter apprehensions in her stores for a 1-month period prior to the installation of a new security system to the number of apprehensions in the same stores for a 1-month period after the security system was in place. The new system is much more expensive than the old system, and she doesn’t want to spend the extra money unless the new security system is better than the old system. The apprehension data are as follows:
You, an expert in statistics, are presented with the following data by a confused student. The population of final exam scores is positively skewed with a mean of 56 and a standard deviation of 14. A random sample of these scores for 49 students, however, was negatively skewed with a mean of 63. You should tell the student.
a. "Your sampling procedure could not have been truly random." b. "These data are compatible with the normal curve model." c. "Increase your sample size so the sample data will be normal." d. "Because z = 0.5, a mean of 63 would be expected quite frequently with repeated sampling." e. "Never draw a sample of more than 40 observations."