Investopedia / Xiaojie Liu One-tailed tests in statistics focus on one direction in the distribution to determine if a sample mean is significantly ... is on only one side of the sampling distribution ...

Survey researchers increasingly recognize that a single survey of the general public can rarely represent the views of small groups of Americans. Such surveys frequently have too few interviews with ...

This is a pilot, community-based, prospective, single-arm study. Physicians trained the ASHA workers regarding self-sampled HPV testing via a mobile application and telephonically using videos and ...