Calculate the 95% confidence interval for a sample of N = 30 with a mean 
= 249.60 and a population standard deviation (?) = 50.00.
a. 95% CI = 249.60 ± 23.56
b. 95% CI = 249.60 ± 15.06
c. 95% CI = 249.60 ± 17.89
d. 95% CI = 249.60 ± 11.09
c. 95% CI = 249.60 ± 17.89
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a. parallel b. serial c. distributed d. monotonic
Which of the following is not true of the normal curve?
a. Many physical and psychological measures will produce a polygon similar to this curve. b. The mode is equal to the median. c. The median is equal to the mean. d. Large z-scores occur more often than small z-scores. e. It is useful for estimating what percent of scores will fall above and below certain points.
Provisions of the Every Student Succeeds Act include all of the following EXCEPT this:
a. the annual testing of students in third through eighth grade in math and reading is no longer required b. it allows states to adopt the Common Core State Standards but does not require their adoption c. “highly qualified” teacher status is eliminated d. the annual yearly progress provision has been repealed and replaced by a statewide accountability system
Today, ________ of students with disabilities access the general education curriculum and receive their education in the general education classroom at least ________ of the school day.
A. 40%; 25% B. 60%; 80% C. 30%; 50% D. 50%; 75%