List 5 properties of the standard normal curve.
What will be an ideal response?
Correct Answer:
1. Symmetrical; 2. unimodal; mean = Median = Mode; 3. Values along the abscissa are continuous; 4. Curve is asymptotic to the abscissa; 5. mean = 0; 6. variance = standard deviation = 1; 7. The area under the curve has a relative frequency of 1.
You might also like to view...
[NeedAttention]
Veronica has more than
times as many pencils as Cory. Write a variable expression to represent the relationship.
What is the purpose of diagnostic tests?
a. Instructional planning b. Surveying reading performances c. Identify specific problems d. Assessing student’s academic progress
When children engage in developmentally-appropriate group games, they:
A) learn to follow directions B) develop strategic thinking C) develop competition skills D) learn to be good winners/losers
What is the term for the statistic that can be used to see how well each item differentiates between students who understand the material and students who do not?
a. Item difficulty b. Item discrimination c. Distractor analysis d. Standard deviation