Mathematics
Mathematics, 30.12.2019 22:31, rigobertogarza2

Which of the following statements about pooling are true? i. in statistics, to pool is to create an estimate of a common variance for two samples. pooling gives narrower confidence intervals and lower p-values, so it yields a more precise final result with a higher power of the test. ii. pooling can only be used in the rare instances when you can assume the populations are of equal size. iii. without requiring that strong and often unrealistic conditions be met, computer software (or a calculator) will give a final result without pooling that's nearly as precise as the result you'd get if you pooled. iv. you can use pooling when the sample standard deviations are the same. a. i only b. ii only c. i and iii only d. ii and iv only e. i, ii, and iii only

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:30, msheehan4737
What is the first step of an indirect proof of a number that is divisible by two
Answers: 2
image
Mathematics, 21.06.2019 19:00, kelli151
Define multiplicative inverse. give an example of a number and its multiplicative inverse.
Answers: 1
image
Mathematics, 21.06.2019 19:00, alkaline27
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m
Answers: 1
image
Mathematics, 21.06.2019 19:20, SmolBeanPotato
Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1
Answers: 1
Do you know the correct answer?
Which of the following statements about pooling are true? i. in statistics, to pool is to create an...

Questions in other subjects: