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 18:00
If 1/√5+1/√5+1=p+q√r , find the values of p, q and r
Answers: 2
Mathematics, 21.06.2019 22:40
Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y
Answers: 1
Mathematics, 22.06.2019 00:30
If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height
Answers: 1
Samantha has a hypothesis that listening to music while taking a test will affect the results, but s...
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