Find the period and amplitude.
What will be an ideal response?
Period: 2?; Amplitude: 5
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Use the guidelines to evaluate the study. Discuss flaws that you see in the study. An educational researcher wishes to compare the effectiveness of two different math textbooks. She has the tenth graders at one school use the first book for one year and the tenth graders at another school use the second textbook for one year. At the end of the year, she gives the same math test to both classes and compares the results.
What will be an ideal response?
Solve the problem.A grain dealer sold to one customer 6 bushels of wheat, 4 of corn, and 10 of rye, for $71.20; to another, 4 of wheat, 10 of corn, and 6 of rye, for $71.60; and to a third, 10 of wheat, 6 of corn, and 4 of rye, for $59.20. What was the price per bushel for corn?
A. $4.50 B. $2.40 C. $3.70 D. $1.90
Solve the problem.True or false - if false, explain why or modify the statement so that it becomes true: As the standard deviation of a data set increases, the width of the standard normal curve for the data set increases.
What will be an ideal response?
Find the LCM of the set of numbers.8, 19
A. 27 B. 19 C. 152 D. 76