Mathematics, 14.12.2020 20:10 ronaldo22
A group of 30 introductory statistics students took a 25-item test. The mean and standard deviation were computed; the standard deviation was 0. You know that. A. about half of the scores were above the mean B. the test was so hard that everyone missed all items c. a calculation error must have been made in determining the standard deviation D. everyone correctly answered the same number of items
Answers: 3
Mathematics, 22.06.2019 00:50
Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte
Answers: 3
Mathematics, 22.06.2019 01:30
In the figure below, m∠r is 60°, and m∠t is 120°. what is m∠q? a. 60° b. 30° c. 120° d. 54
Answers: 1
Mathematics, 22.06.2019 03:00
In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x
Answers: 3
A group of 30 introductory statistics students took a 25-item test. The mean and standard deviation...
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