Mathematics, 09.06.2020 22:57 alyssatamayo641
Samantha has a hypothesis that listening to music while taking a test will affect the results, but she is not sure if
people will do better or worse while listening to music. Samantha tests 39 participants while they listen to music,
obtaining a mean of 73.45. The mean of the population taking the test without music is 695 (standard deviation of
13).
Is this a one-tailed or two-tailed test? How do you know?
Using symbols, what are H. and H ?
Compute Zobt
Determine Zcrit
Is the result significant? How do you know?
What should Samantha conclude about the relationship between listening to music and performance on a test?
Answers: 2
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George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.
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Samantha has a hypothesis that listening to music while taking a test will affect the results, but s...
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