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
Mathematics, 21.06.2019 13:20
Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.
Answers: 1
Mathematics, 21.06.2019 14:30
Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.
Answers: 2
Mathematics, 21.06.2019 16:40
Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4
Answers: 1
Mathematics, 21.06.2019 18:00
Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )
Answers: 3
Samantha has a hypothesis that listening to music while taking a test will affect the results, but s...
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