What is wrong here? Explain. H0: m = 65; H1: m < 65; zcrit= ± 2.33.
What will be an ideal response?
Correct Answer:
zcrit should be negative to correspond with the alternative hypothesis.
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Most of your life you have heard people say that you can't teach an old dog new tricks. When you hear this you should remember that
A. you shouldn't expect too much from older people. B. there are enough anecdotal stories to support this statement so we can believe it. C. this is a bit of folk wisdom that needs to be tested scientifically before we accept it. D. people would only say this if the idea had been supported by a substantial amount of scientific evidence.
Private school teachers in Florida are required to have background screening and must teach all the basic subjects as required by the state
Indicate whether the statement is true(T) or false(F).
Which of the following is true of the common core state standards?
a. They have been adopted by half of the states. b. There is an emphasis on students working individually. c. They are designed to result in uniform expectations and are sequential. d. Assessments will not be needed to measure progress in the standards. e. They are only for elementary schools.
Which of the following descriptions of validity is most accurate?
A. Validity refers to the consistency with which a test measures whatever it is measuring. B. Validity describes the degree to which a test's usage leads to appropriate consequences for students. C. Validity describes the legitimacy of the decision to which a test-based inference will be put. D. Validity refers to the accuracy of score-based interpretations for specific purposes.