Mathematics, 06.05.2021 20:10, SoWhat2237
The daily temperatures in fall and winter months in Virginia have a mean of 62°F. A meteorologist in southwest
Virginia believes the mean temperature is colder in this area. The meteorologist takes a random sample of 15 daily
temperatures from the fall and winter months over the last five years in southwest Virginia. The mean temperature
for the sample is 58°F with a standard deviation of 4.12°F. A significance test at an alpha level of a = 0.05 produces
a P-value of 0.001. What is the correct interpretation of the P-value?
There is a 0.1% chance that a sample mean temperature of at most 58°F will occur by chance if the true mean
temperature is 62°F.
Assuming the true mean temperature is 62°F, there is a 0.1% probability that the null hypothesis is true by chance
alone.
There is a 0.1% probability that a sample mean temperature of 58°F will occur by chance alone if the true mean
temperature is 62°F.
Assuming the true mean temperature is 62°F, there is a 99.9% probability that a sample mean of 58°F will occur
by chance alone.
Answers: 2
Mathematics, 21.06.2019 21:00, kfliehman1
Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y
Answers: 2
Mathematics, 21.06.2019 23:30, ayoismeisalex
In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.
Answers: 2
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