Calculate the total sum of squares (SST) if the grand variance (s2) = 3.86 and the degrees of freedom (df) = 27
A. 104.2
B. 0.14
C. 30.9
D. 23.1
Answer: A
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______ summarize data for a variable while ______ test hypotheses and draw conclusion from data.
a. inferential statistics; descriptive statistics b. descriptive statistics; inferential statistics c. inferential statistics; predictive statistics d. descriptive statistics; predictive statistics
Children with health conditions such as cerebral palsy, cystic fibrosis, or fetal alcohol syndrome (FAS) can easily qualify for IDEA services
a. True b. False Indicate whether the statement is true or false
Criterion contamination occurs when
a. a test is lacking in construct validity. b. the criterion measurement is found to be invalid. c. knowledge of predictor test scores influences decision-making. d. errors are made in predicting criterion performance.
Explain why PL 94-142 was thought of as a “Bill of Rights” for children with disabilities and their families
What will be an ideal response?